panfrost: Fix BGR233 component order

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7352>
diff --git a/src/panfrost/lib/midgard.xml b/src/panfrost/lib/midgard.xml
index b2367ec..0937c04 100644
--- a/src/panfrost/lib/midgard.xml
+++ b/src/panfrost/lib/midgard.xml
@@ -117,7 +117,7 @@
     <value name="RGB10 A2UI" value="71"/>
     <value name="RGB10 A2I" value="73"/>
     <value name="RGB332 UNORM" value="75"/>
-    <value name="RGB233 UNORM" value="76"/>
+    <value name="BGR233 UNORM" value="76"/>
     <value name="Z24X8 UNORM" value="77"/>
     <value name="X8Z24" value="78"/>
     <value name="X32 S8X24" value="79"/>