gralloc: Update gralloc source to e219158a67fbfbedbac9

This patch updates the gralloc source to:
   Subject: Add support for hikey
   Sha1:    e219158a67fbfbedbac99e15809b948313aeb5fa

From Xinliang's tree here:
https://github.com/xin3liang/gralloc-mali.git

Also inlcudes minor whitespace/style fixes and corrected
LOCK_STATE_READ_MASK value, noticed in review on Gerrit.

These changes are needed to support the r6p0 version of
the binary mali graphics libraries.

Change-Id: Ia33671447b36fd83da544af6da8ec6ce48e80b05
Signed-off-by: John Stultz <john.stultz@linaro.org>
4 files changed