msm: cam: smmu: continue default arm mmu fault handler

After handling the local fault handler continue with default
arm mmu fault handler, this will dump more information about
smmu registers that helps debugging faults.

Change-Id: I79215f412868ec0016bd4a4afaba608cfa2fd248
Signed-off-by: Rajesh Sastrula <vrajesh@codeaurora.org>
Signed-off-by: Sumukh Hallymysore Ravindra <shallymy@codeaurora.org>