remove -Werror flag

* causes conflicts with HDMI kernel header, which has some int/uint32 conflicts
fb: bring back reserved field usage

panel frame rate calculation is borked on some devices
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0
Merge branch 'cm-11.0' of github.com:CyanogenMod/android_hardware_qcom_display-caf into cm-11.0

Conflicts:
	common.mk
Merge https://github.com/deedwar/android_hardware_qcom_display-caf into cm-11.0