msm: kgsl: Fix the KGSL driver to compile when CONFIG_DEBUG_FS=n

Fix a compilation error when CONFIG_DEBUG_FS is disabled. Add an
initialization flag to the process struct rather than rely on a
pointer to the debugfs node which will always be NULL if debugfs
is not available.

CRs-fixed: 542231
Change-Id: Ic0dedbadf0241fd476e56d6e116a811697b38190
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>

Conflicts:
	drivers/gpu/msm/adreno.c
	drivers/gpu/msm/kgsl.c
GPU: fix compile errors resulting from revert

GPU driver was previously reverted to this point: https://github.com/CyanogenMod/android_kernel_htc_m7/commit/4ddc62bfe994baf0c5353ad23c7e3f4708a333db

Signed-off-by: Sultanxda <sultanxda@gmail.com>
drivers: misc: Add back old gpio_input
power: import from mrg666's shooter kernel
Defconfig: r35
Build script: use GCC 4.7.4