ARM: dts: msm: Add support for AOP clock for sdxpoorwills

QDSS clock is required for QDSS clients to send clock requests
using the clock aop handle.

CRs-Fixed: 2174434
Change-Id: I66338e6bbd7e0e087b15d3706bdde073c1a44d27
Signed-off-by: Mao Jinlong <jinlmao@codeaurora.org>