cros-camera-hal-intel-ipu6: add ipu6ep build support

Intel IPU6 camera HAL code is shared across platforms.
Use ipu6ep flag to build variant for ADL platform..

BUG=b:175090453
TEST=CQ

Cq-Depend: chromium:2588817, chromium:2580407
Change-Id: I225c3ea3b34c55576cf2bdd187005c268fa827c9
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2588961
Tested-by: Qingwu Zhang <qingwu.zhang@intel.com>
Reviewed-by: Ren-Pei Zeng <kamesan@chromium.org>
Reviewed-by: Qingwu Zhang <qingwu.zhang@intel.com>
Commit-Queue: Ren-Pei Zeng <kamesan@chromium.org>
1 file changed