vendor/cm: We are at CM-12 now.

Change-Id: If92ade1a3992c5e9d828f23a5bccd80df8d27dfc

README.mkdn

@@ -11,7 +11,7 @@ You can do this by using these commands:
     (Go to repo you are patching, make your changes and commit)
     cmgerrit <for(new)/changes(patch set)> <branch/change-id> 
 
-    repo start cm-11.0 .
+    repo start cm-12.0 .
     (Make your changes and commit)
     repo upload .
 Note: "." meaning current directory
@@ -31,7 +31,7 @@ familiar with [Repo](https://source.android.com/source/using-repo.html) and [Ver
 
 To initialize your local repository using the CyanogenMod trees, use a command like this:
 
-    repo init -u git://github.com/CyanogenMod/android.git -b cm-11.0
+    repo init -u git://github.com/CyanogenMod/android.git -b cm-12.0
 
 Then to sync up: