fmradio: cleanup QCOM_HARDWARE/STE_FM defs and ifdef

Change-Id: I00b5e6536511b3bedee6105bf010ee2b5f2e36ac
qcom-fm: audio: Add support for FM feature

-Define audio stream for FM
-Define audio source for FM RX and FM RX A2DP

Change-Id: If24e4c32916f6614e3367b4c9f2cd828562e0347

Conflicts:
	include/system/audio.h
Initial PA 4.2.1 changes

Change-Id: I74d0ce2c8910af75a0ab0ef6ecd82d3b6691689f
Create /sd-ext directory needed by S2E

Change-Id: If5b2443f32d23e571094ab8c7606606a778f139c

Conflicts:

	rootdir/init.rc
Permissions for IO Scheduler settings

Change-Id: I60b3af98e22a4d9562c447272a5d14fdebb714f9
rootdir: init.rc: set perms for cpufreq governor boostpulse_duration

Change-Id: I09b9a1ed548e4ffe1232f583e8ff5f026760f616