m7-common: use device specific camera

Change-Id: I4d4289773898e3f9f0473721aacfe8d35c996a14
m7-common: update wpa_supplicant config

Change-Id: Iaf2aa51327463ee88050c1890f2d5231e41d92a1

Conflicts:
	rootdir/etc/init.qcom.rc