gpu: msm2: Sync to upstream

* Sync with changes done in Google MSM kernel

Change-Id: I38b3d4b41a986dc16097b838afc770e372ddfc7d
m7_defconfig: disable USE_STATIC_BUF

This reduces WiFi audio stuttering issues that some may be experiencing

Change-Id: I41809c51b32167ae197001c07e4b519fd4bbdd8a