g3: split mixer_paths for bcm/wcnss

Change-Id: Ic29f8420297f55091736d04cb4dece30ac6cbe4c
Boosted audio (too low for my taste in AOSP)

Change-Id: I87dc348d57c73d4ce8da83139d5eee36f228f6f5
fix caf config for cm-12.0

Change-Id: Iebea94cef4dea5973d89960d1c192299f4c8bcd2

Conflicts:
	BoardConfigCommon.mk

	modified:   BoardConfigCommon.mk
changed DPI to 560 (nexus 6 official DPI)

Change-Id: I79a70d40d92138eb6b9e0c6685b0be45bfcf6be8