bitbake: cooker: Add compability handling for multiconfig: prefix migration

This allows "multiconfig:" targets to continue to work by internally
mapping them to the new "mc:" naming, allowing older builds to work
as before.

(Bitbake rev: c4d90890547af642e99cc541af3415df3559563e)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/cooker.py

@@ -1600,6 +1600,9 @@ class BBCooker:
         for pkg in pkgs_to_build:
             if pkg in ignore:
                 parselog.warning("Explicit target \"%s\" is in ASSUME_PROVIDED, ignoring" % pkg)
+            if pkg.startswith("multiconfig:"):
+                pkgs_to_build.remove(pkg)
+                pkgs_to_build.append(pkg.replace("multiconfig:", "mc:"))
 
         if 'world' in pkgs_to_build:
             pkgs_to_build.remove('world')