Update version-check for new BASE_VER location
Update version-check for new BASE_VER location

Upstream commit 841ea36b1512f19cfb46a51ba02d69b42e2dcb04
("platform2: Move default value for BASE_VER into common.mk")
moved the BASE_VER definition, so update the sanity check
similarly.

google/chaps-linux,google/chaps-linux,google/chaps-linux