ARM: dts: msm: Pass USB GSI registers offset for SDMMAGPIE

It is required to pass USB GSI registers offset from device tree for
SDMMAGPIE, where GSI is used for RMNET/RNDIS tethering. Else probe
fails as driver expects USB GSI registers offset passed from device
tree.

Change-Id: If55dfaaa9a521e99ce22fa9f87217f9415790cff
Signed-off-by: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>