m7-common: set camera hardware type

Change-Id: Ia25730d085737454faa62206f971f80b75dc9071
cdma-overlay: enable world phone support.

Change-Id: I2f7d562c77e8f689690b0053ad91cb20409cc048
m7-common: remove HSPA distinguishable overlay option

* This is set by default for all devices in the global CM overlay.

Change-Id: Ic14bd9e2f24bf79ad885153b9e5aeccb800cc5f2