Add device tree snapshot for AON from msm-5.15.c2.
Snapshot is taken from msm-5.15.c2 kernel commit 95ffcf910eee
("ARM: dts: msm: add aon-rma glink node").
Change-Id: I7f6a2a1c2f5fd04b97f16f5dbace4ce87e88f0b7
Signed-off-by: Koushik Immadisetty <quic_kimmadis@quicinc.com>