ARM: dts: msm: Add PDC interrupt controller for sdm845

Add pdc-gic interrupt controller as SOC interrupt parent and as a child
domain under intc. Modify TLMM's interrupt parent as intc irq domain.

Change-Id: Id79fe14465277597286a0bed1386df35319f8047
Signed-off-by: Archana Sathyakumar <asathyak@codeaurora.org>