msm: acpuclock-7201: add AHB & CPU overclocking for msm7x27 boards
board-samsung-msm7x27: amend framebuffer allocation values

* Amend MSM_FB_SIZE values using reference values from original Samsung boards;
* Re-calculate required sizes for triple buffering based on amended values.
board-samsung-msm7x27: add sdio wakeup irq support for SDC slot 2
scripts/setlocalversion: don't append plus symbol to localversion
mmc: msm_sdcc: fix build error with CONFIG_PM_RUNTIME=n
staging: add snappy compression support & zram snappy support

Adapted from reference patch: https://github.com/zeevt/csnappy/blob/master/kernel_3_2_10.patch
Update galaxy5 cyanogenmod defconfig
touchscreen: fix irq problem in synaptics_i2c_rmi4_europa (hack)