phy: qcom-qmp-pcie-msm8996: drop unused pcs_misc handling

The MSM8996 QMP PHY driver does not use the PCS_MISC IO region (and
neither do the DT binding specify it) so remove the corresponding code
from the driver.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20220916102340.11520-8-johan+linaro@kernel.org


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