ARM: dts: msm: Enable ipa-auto config for sa415m 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: Ie7a4a90e4618773ace8b56ea1c12a13c23e26587
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>