enable sf optimizations for virtual displays

Change-Id: I5469e2591074e76b3d596af8b5928b5854df6ca7
mixer_paths: Fix out-of-scale controls

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

Change-Id: I4fe41cfabcfafeb9a1f12ac420760a8febc50077
Fix incall echo for vs980

This is a cleaner way to fix the echo

credits: jakew02
Change-Id: I0b011f690ebaf68e9b3b585b40462d07477354a0
g2: update overlays for mcc and mnc (SPR & VZW)

* add Mms overlay for Vzw
* move Spr eri.xml
* add Vzw mcc/mnc eri overlays and telephony overlays

Change-Id: I1f42cf61407e540e0c79e46e57cd44b70a0210ab
Signed-off-by: houst0nn <houstonn@gmail.com>