disable unused overlays (xml)

Change-Id: I76d8123363feefd6353bf7c5518fe32da9966e98
add TARGET_ARCH

Change-Id: Ib4dd19a917010414fbec69d02fbaf0c2851333e5
Fix liblights -> liblight

Change-Id: I0b243841da26bb1b53a2f4c88ccc2b9828986be2
add legacy display variant

Change-Id: I5e6bb7860d83b040279a5758cf6dabf566588e02
update semc_ota_from_target_files to accept extras.txt

Change-Id: I88fb30532e9bfc6d6763bdb53dd8bfce2c255e1b