Ensure all XML Files are included in validate and format scripts (#1693)

- Extend zcl.xsd as required
- Clean up malformed XML

zcl-builtin/matter/data-model/draft/types/power-profile.xml

diff --git a/zcl-builtin/matter/data-model/draft/types/power-profile.xml b/zcl-builtin/matter/data-model/draft/types/power-profile.xml
index 58f0de6..8c087fa 100644
--- a/zcl-builtin/matter/data-model/draft/types/power-profile.xml
+++ b/zcl-builtin/matter/data-model/draft/types/power-profile.xml
@@ -14,7 +14,6 @@
 limitations under the License.
 -->
 <configurator>
-  <enum name="LevelStatus" type="ENUM8">
   <enum name="PowerProfileState" type="ENUM8">
     <item name="PowerProfileWaitingToStart" value="0x01"/>
     <item name="PowerProfileStarted" value="0x02"/>

zcl-builtin/shared/schema/zcl.xsd

diff --git a/zcl-builtin/shared/schema/zcl.xsd b/zcl-builtin/shared/schema/zcl.xsd
index 4e56072..4f44213 100644
--- a/zcl-builtin/shared/schema/zcl.xsd
+++ b/zcl-builtin/shared/schema/zcl.xsd
@@ -251,14 +251,21 @@
       </xs:restriction>
     </xs:simpleType>
   </xs:element>
+  <xs:simpleType name="revisionValue">
+    <xs:restriction base="xs:integer">
+      <xs:minInclusive value="1"/>
+      <xs:maxInclusive value="255"/>
+      <xs:whiteSpace value="collapse"/>
+    </xs:restriction>
+  </xs:simpleType>
   <xs:element name="revision">
-    <xs:simpleType>
-      <xs:restriction base="xs:integer">
-        <xs:minInclusive value="1"/>
-        <xs:maxInclusive value="255"/>
-        <xs:whiteSpace value="collapse"/>
-      </xs:restriction>
-    </xs:simpleType>
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base="revisionValue">
+          <xs:attribute name="editable" type="xs:boolean" use="optional"/>
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
   </xs:element>
   <xs:element name="clusters">
     <xs:complexType>
@@ -313,6 +320,7 @@
   <xs:attribute name="long" type="xs:boolean"/>
   <xs:attribute name="analog" type="xs:boolean" use="optional"/>
   <xs:attribute name="composite" type="xs:boolean" use="optional"/>
+  <xs:attribute name="baseType" type="xs:string" use="optional"/>
     </xs:complexType>
   </xs:element>
   <xs:element name="bitmap">
@@ -696,6 +704,9 @@
       <xs:attribute name="changeOmitted" type="xs:boolean" use="optional"/>
       <xs:attribute name="persistence" type="xs:string" use="optional"/>
       <xs:attribute name="largeMessage" type="xs:boolean" use="optional"/>
+      <xs:attribute name="nullable" type="xs:boolean" use="optional"/>
+      <xs:attribute name="scene" type="xs:boolean" use="optional"/>
+      <xs:attribute name="reportable" type="xs:boolean" use="optional"/>
     </xs:complexType>
   </xs:element>
   <xs:element name="conformance" type="xs:string"/>
@@ -789,6 +800,7 @@
   <xs:element name="features">
     <xs:complexType>
       <xs:sequence>
+        <xs:element name="cluster" type="clusterRef" minOccurs="0" maxOccurs="unbounded"/>
         <xs:element name="feature" maxOccurs="unbounded">
           <xs:complexType mixed="true">
             <xs:choice minOccurs="0" maxOccurs="unbounded">

zcl-builtin/shared/script/format

diff --git a/zcl-builtin/shared/script/format b/zcl-builtin/shared/script/format
index 17445d8..7c92aa8 100755
--- a/zcl-builtin/shared/script/format
+++ b/zcl-builtin/shared/script/format
@@ -10,10 +10,10 @@
     xmllint --format --output $A.format --schema ${LOC}/../schema/zcl.xsd $A
     mv -f $A.format $A
 done
-for A in ${LOC}/../../matter/*.xml; do
-    xmllint --format --output $A.format --schema ${LOC}/../schema/zcl.xsd $A
-    mv -f $A.format $A
-done
+while IFS= read -r -d '' file; do
+    xmllint --format --output "$file.format" --schema ${LOC}/../schema/zcl.xsd "$file"
+    mv -f "$file.format" "$file"
+done < <(find "${LOC}/../../matter/data-model" -type f -name "*.xml" -print0)
 
 xmllint --format --output ${LOC}/../schema/zcl.xsd.format ${LOC}/../schema/zcl.xsd
 mv -f ${LOC}/../schema/zcl.xsd.format ${LOC}/../schema/zcl.xsd

zcl-builtin/shared/script/validate

diff --git a/zcl-builtin/shared/script/validate b/zcl-builtin/shared/script/validate
index 2fc879e..15e82ac 100755
--- a/zcl-builtin/shared/script/validate
+++ b/zcl-builtin/shared/script/validate
@@ -15,10 +15,11 @@
     SUM=$(( $SUM + $?))
 done
 
-for A in ${LOC}/../../matter/data-model/*.xml; do
-    xmllint --noout --schema ${LOC}/../schema/zcl.xsd  $A
-    SUM=$(( $SUM + $?))
-done
+while IFS= read -r -d '' file; do
+    echo "Validating: $file"
+    xmllint --noout --schema ${LOC}/../schema/zcl.xsd "$file"
+    SUM=$(( SUM + $? ))
+done < <(find "${LOC}/../../matter/data-model" -type f -name "*.xml" -print0)
 
 for A in ${LOC}/../../../test/resource/meta/*.xml; do
     xmllint --noout --schema ${LOC}/../schema/zcl.xsd  $A