build: Add support for Asturian

Change-Id: If666c8390b3c095c16e66df777c67a46511f4916
BoardConfig.mk.template: Add TARGET_CPU_VARIANT

Change-Id: I8cd74a794e0d1a6818b5479cf7f5264e87d565f3
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0
Merge "build: Add support for Asturian" into cm-11.0
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0