ARM: dts: msm: Use correct ahb2phy_top_cfg register address on SDM845

Currently used ahb2phy_top_cfg register address with USB dwc3 device
node is not proper. This used register address is not accessible by
APPS. Hence use correct address to configure USB PHY read/write wait
states.

Change-Id: I76ade10cf3781aa5e28b12d659010a1079134aeb
Signed-off-by: Mayank Rana <mrana@codeaurora.org>