dt-bindings: phy: Add QMP UFS PHY comptible for SC7280

Document the QMP UFS PHY compatible for SC7280.

Signed-off-by: Nitin Rawat <quic_nitirawa@quicinc.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230918205037.25658-2-quic_nitirawa@quicinc.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>