usb: dt-bindings: Add USB 5NM QMP PHY register macros

Add 5nm Combo and Uni phy macro definition file for
broader use across all 5nm QMP Phy device tree nodes.

Change-Id: I5791723981b3b7015e69d2dbc07e0cdd2d2a25c6
Signed-off-by: Elson Roy Serrao <eserrao@codeaurora.org>