phy: qcom-qmp-pcie-msm8996: drop obsolete pipe clock type check

phy: qcom-qmp-pcie-msm8996: drop obsolete pipe clock type check

Drop the obsolete pipe clock handling which was used to treat the pipe
clock as optional for types other than PCIe and USB and which is no
longer needed since splitting the PHY driver.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20220623113314.29761-3-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>