Move PCS MISC V4 registers to the separate header.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230824211952.1397699-6-dmitry.baryshkov@linaro.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>