phy: rockchip: Fix typo in function names

Several functions had "rochchip" instead of "rockchip" in their name.
Replace "rochchip" by "rockchip".

Signed-off-By: Rick Wertenbroek <rick.wertenbroek@gmail.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20240307095318.3651498-1-rick.wertenbroek@gmail.com


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