ARM: dts: msm: Update the dummy GDSCs with actual GDSCs

Update the Trinket GDSCs by replacing the dummy nodes
with actual GDSC regulator driver. Also add support for
turing_mmu and mm_snoc_mmu GDSCs.

Change-Id: I76ac062c3f91ff7471f67cdf8836c07553c10ecf
Signed-off-by: Diptanshu Jamgade <djamgade@codeaurora.org>