ti-aosp: add global ENHANCED_DOMX flag

Change-Id: I67e34f5192e55e1d1da5e40278cc65e0efb3393c
update hwcomposer definition per TI omapzoom

Change-Id: Ib4d9ee4aa94ddef9187c72ad4b52ee4300a7022a
dont use local edid/bltsville for ti-aosp

Change-Id: Ic9efc27ddf71901f132c34e91f235b66d95c58a6
set BOARD_VENDOR

Change-Id: I9012ec26529f7d975318a2b911f09b8bf10f9184