msm8226: Add mixer commands for 8x26 variants in xml file

-Add device controls for devices which are different across 8x26
variants. The variant name is appended to the device to
differentiate from the regular(default variant) device.

Change-Id: Ia04981b1d2f50632d34b3e592ff04758a2a5ae49

Conflicts:

	mixer_paths.xml
1 file changed