Revert "msm_fb: Sync with CAF msm-kk_2.7-stable branch"

This reverts commit 8dd77ac1a080a92149a0e6f7e43e429fde91a585.
gpio_input: Import from SebastianFM kernel

EWEWEWEWEWEW
input: Add Sweep2Wake by Showp-1984
pyramid: keypad: Import from SebastianFM kernel
pmic8901: Declare readb & writeb as extern

Derp.
Sultan_defconfig: Disable PMIC8XXX_PWRKEY and enable S2W

*Enabled S2W: Fixes bitching in the XDA thread