ARM: dts: msm: Enable ipa-auto config for sa515m target

End point config of ipa for auto use case is
different from stand alone. Enable auto config
via PL specific DTSI file which will be picked
from CDT programming.

Change-Id: Ib29e7051cec284928e26a5500ed73f28bfbdad22
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>