msm: kgsl: add support for GLC, FCHE and MHUB perfcounters

Add support for the newly added GLC, FCHE and MHUB perfcounters
in A702 GPU. Also skip save and restore of all perfcounters of A702.

Change-Id: Idd490b9b722962d99d30657edefa5a3c319fc8bd
Signed-off-by: Puranam V G Tejaswi <pvgtejas@codeaurora.org>