ARM: dts: msm: make sound card child of APR for SDM855

Make audio sound card DT node child of APR DT node for
SDM855 target.

Change-Id: Ib1264003635dfef4e93985809edf6da5d910db5a
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>