common: add msm8x28 support in init process

Add msm8x28 support for wifi configuration,
which keeps in accordance with msm8226.

Conflicts:
	rootdir/etc/init.qcom.audio.sh
	rootdir/etc/init.qcom.sh
	rootdir/etc/init.qcom.usb.sh
Merge "common: add msm8x28 support in init process"