ARM: dts: msm: Apply USB SYS2BAM property to msm8994-v1

The USB BAM property 'qcom,pipe-connection-type' is needed
to enable the SW workaround for USB-IPA transfers, but only
applies to MSM8994 v1 revisions which have the known bug.
Thus apply it as an override in msm8994-v1.dtsi.

Change-Id: Ic5a544fe3bd1961dd85dd6b1f2311841ed03ac64
Signed-off-by: Jack Pham <jackp@codeaurora.org>