mixer_paths: Fix out-of-scale controls

SPK DRV Volume is 0->8. The closest to stock's 90% is "7"

Change-Id: I4fe41cfabcfafeb9a1f12ac420760a8febc50077
Merge remote-tracking branch 'cm/cm-11.0' into HEAD

Conflicts:
	configs/mixer_paths.xml

Change-Id: Ie6c808b2d1a2152d57806fa1aeeb79e095250eeb