Fix building for 8974

Add the platform to the base filter, and initialize a variable when
reading EDID details that could cause evil memory accesses

Change-Id: I61955ca9280cc7c3357bf827e2e1269981fd5d6e
Merge "Fix building for 8974" into cm-10.2
Merge remote-tracking branch 'upstream/cm-10.2' into cm-10.2