m4: Mask the exec bit on firmware partitions

Change-Id: I47603d1398b6479142892935d5c7354e0f3977e6
m4: camera: Update HAL API versions and fix warnings

Change-Id: Ie1e401d982e19d1f7e45694c31cdbcbbfd890074
Merge remote-tracking branch 'cm/cm-11.0' into HEAD