Revert "msm7x27a-common: don't build librpc and add CleanSpec"

This reverts commit 4b8dedeb276c370cc50211abab119b960bbd2a1d.

	deleted:    gps/CleanSpec.mk
	modified:   msm7x27a-common.mk
Revert "bt-vendor: Add support for BT RF power class."

This reverts commit fa7b83d93a986869aeca7173dbd77b7119453e3b.

	modified:   libbt-vendor/bt_hardware.c
Revert "msm7x27a-common: Use number width instead of precision width on format."

This reverts commit 9172d013e467f4e10be840e861544c9f5ac31c0d.

	modified:   hwmac/hwmac.c
	modified:   libbt-vendor/bt_hardware.c
Revert "msm7x27a-common: Introduce hwmac binary."

This reverts commit 73f43c29d126f05566648687fd7ad4cb9f39dac3.

Conflicts:
	msm7x27a-common.mk

	deleted:    hwmac/Android.mk
	deleted:    hwmac/NOTICE
	deleted:    hwmac/hwmac.c
	deleted:    hwmac/nv.h
	deleted:    hwmac/oncrpc.h
	modified:   msm7x27a-common.mk
	modified:   rootdir/etc/init.lge-shared.rc
Revert "bt-vendor: Add epilog op."

This reverts commit 43645e0b5234c911eec46fb07cb4d4a04704bea7.

	modified:   libbt-vendor/bt_vendor_qcom.c