dt-bindings: phy: qcom,qmp: drop redundant descriptions

Drop the redundant supply and clock descriptions which did not add much
information beyond what can be inferred from the corresponding resource
names.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20220830112923.3725-4-johan+linaro@kernel.org


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