Refactor config_softfloat selection in another list

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/configure b/configure
index 3b25c75..d3d4cd5 100755
--- a/configure
+++ b/configure
@@ -2069,26 +2069,13 @@
 fi
 echo "TARGET_XML_FILES=$list" >> $config_mak
 
-if test "$target_arch2" = "arm" \
-     -o "$target_arch2" = "armeb" \
-     -o "$target_arch2" = "m68k" \
-     -o "$target_arch2" = "microblaze" \
-     -o "$target_arch2" = "mips" \
-     -o "$target_arch2" = "mipsel" \
-     -o "$target_arch2" = "mipsn32" \
-     -o "$target_arch2" = "mipsn32el" \
-     -o "$target_arch2" = "mips64" \
-     -o "$target_arch2" = "mips64el" \
-     -o "$target_arch2" = "ppc" \
-     -o "$target_arch2" = "ppc64" \
-     -o "$target_arch2" = "ppc64abi32" \
-     -o "$target_arch2" = "ppcemb" \
-     -o "$target_arch2" = "sparc" \
-     -o "$target_arch2" = "sparc64" \
-     -o "$target_arch2" = "sparc32plus"; then
-  echo "CONFIG_SOFTFLOAT=y" >> $config_mak
-  echo "#define CONFIG_SOFTFLOAT 1" >> $config_h
-fi
+case "$target_arch2" in
+  arm|armeb|m68k|microblaze|mips|mipsel|mipsn32|mipsn32el|mips64|mips64el|ppc|ppc64|ppc64abi32|ppcemb|sparc|sparc64|sparc32plus)
+    echo "CONFIG_SOFTFLOAT=y" >> $config_mak
+    echo "#define CONFIG_SOFTFLOAT 1" >> $config_h
+    ;;
+esac
+
 if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
   echo "TARGET_HAS_BFLT=y" >> $config_mak
   echo "#define TARGET_HAS_BFLT 1" >> $config_h