msm: kgsl: Add support for VBIF and VBIF_PWR performance counters

These 2 counter groups are also "special cases" that require
different programming sequences.

Change-Id: I73e3e76b340e6c5867c0909b3e0edc78aa62b9ee
Signed-off-by: Jeremy Gebben <jgebben@codeaurora.org>
2 files changed