Import power HAL from Johnnyslt
BoardConfigCommon: enable QCOM_ICS_COMPAT

For better compatibility with ICS camera blobs.
msm8660.mk: add extra bluetooth permission

From Johnnyslt.
BoardConfigCommon: remove flag 'BOARD_QCOM_VOIP_ENABLED'
BoardConfigCommon: enable flag 'ARCH_ARM_HAVE_ARMV7A'

From Johnnyslt.