ARM: dts: msm: Update sid mapping for KGSL SMMU for sdm855

SID 1 is now used for unprotected access. So move it from the
secure context bank to the user context bank. This is done by
updating the SMR mask. TZ then binds the SID 0x0, 0x400, 0x1
and 0x401 to the user context bank.

Change-Id: I7dc9869b6b9fbed28564cf178422072e3e38cd6b
Signed-off-by: Lokesh Batra <lbatra@codeaurora.org>