platform: msm8994: Add AHB2 phy wait state register

Before updating the phy registers the abh2 phy wait state register
should be updated to 0x11 i.e one wait state otherwise write to USB
phy reigsters may not complete. Update the iomap to add register value
for AHB2 config.

Change-Id: Id017573f33d7da238cd9a1ca5fc0a3981a045118
1 file changed