msm: kgsl: Add A5XX RBBM registers to pre-crash dumper list

Add all A5XX RBBM status registers to pre-crash dumper
registers list so that snapshot captures the accurate
state of the individual blocks.

Change-Id: I774b84f3cb69b7b0aa119e87229d9ec9c96bbbb4
Signed-off-by: Rajesh Kemisetti <rajeshk@codeaurora.org>