dt-bindings: phy-qcom-qmp: Update bindings for QMP V3 USB PHY

Update compatible string and clock names for QMP version V3
USB PHY.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>