driver: msm_fb: default to 4bpp.
Based on this commit:
https://github.com/existz/htc-kernel-msm7x30/commit/f30e47b6c1abbc3d81283a9a1075c2e3d631e389

Signed-off-by: Thạch Tùng Anh <thachtunganh@gmail.com>
[SPADE]msm: spade: Reverts "MSM_GPU_MEM_SIZE", "MSM_PMEM_ADSP_SIZE", "MSM_FBSIZE" back to original sizes.
We don't need 620MB of total memory (free RAM). Reverting those memory sizes will fix camera issues. And we don't need Triple Buffering at this time, this kernel is compiled for ICS with Sense.
[SPADE]DO NOT MERGE THIS COMMIT!: Change to a new memory size for frame buffer.
PLEASE DO NOT MERGE THIS COMMIT IF YOU DON'T KNOW WHAT YOU ARE DOING!
This is only my private patch.
Merge branch 'master' into thachtunganh
ARM: Fix XZ compression.
Revert "Add one more power level for GPU clock."

This reverts commit 8b4c079c6dab382850fb1c68f0d3bcb0cd31b37a.
Revert "[SPADE]DO NOT MERGE THIS COMMIT!: Change to a new memory size for frame buffer."

This reverts commit 75fe9cfd617cfd647ac748d110aa988ea986f38e.

Conflicts:

	arch/arm/mach-msm/board-spade.h
Merge branch 'master' of github.com:tweakos/HD-Kernel