ARM: dts: Sync msm8974.dtsi with CAF kk_3.5
msm: mdss: Add display gamma tuning

Change-Id: Iaa35d99409155fc7fe097d103756381391bf17e4
ramdisk: Hard-code gamma values

Piereligio v7 SO PRETTEH
msm: thermal: Check temperature only if probed

This avoids a (harmless) error:

<3>[    0.214144] msm_thermal:msm_thermal_get_freq_table error reading cpufreq table