hikey960: gralloc960: Tweak allocation so every HWC allocation doesn't come out of cma

Since we only need CMA for the HW_FB, don't use CMA for
every buffer, as otherwise we fragment and run out of
CMA space fairly quickly.

Change-Id: I3f274fa4ac4a47e80f2cb350675c197222a92a88
Signed-off-by: John Stultz <john.stultz@linaro.org>
1 file changed