[roll] Roll fuchsia [sherlock][board] Split panel vendor, DDIC version inspect properties

Report the Sherlock panel vendor and DDIC version in separate inspect
properties, instead of combining them into a single integer ID. Also
convert the panel vendor property into a string to make it easier to
interpret at a glance.

The following command can now be used to view the panel vendor:

$ ffx inspect show --manifest fuchsia-boot:///sherlock#meta/sherlock-post-init.cm
bootstrap/boot-drivers:dev.sys.platform.pt.sherlock.post-init:
  metadata:
    component_url = fuchsia-boot:///sherlock#meta/sherlock-post-init.cm
    timestamp = 712227825833
  payload:
    root:
      sherlock_board_driver:
        DDIC version = 1
        MIPI device detect type = Innolux
        board_build = 0
        board_option = 2

Test: Ran the above command on Sherlock
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1080632
Original-Revision: 6396e060c6db9580fe3480a4d7c559ab90679db6
GitOrigin-RevId: 00591765230c6760fb52632a5d350ffc6bff4840
Change-Id: Ie75168e4a255ec9c9e043f3a4f306609fc93b3bb
diff --git a/stem b/stem
index 3a00672..fea7c1e 100644
--- a/stem
+++ b/stem
@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="5add0b1cbeef8429206f58bd31c87a36d4d3e07d"/>
+             revision="6396e060c6db9580fe3480a4d7c559ab90679db6"/>
   </projects>
   <hooks>
     <hook name="install-environment"