Add driver for the USB 2.0 PHY in Canaan K230 SoC, which supports PHY
initialization and power management.
Add Kconfig/Makefile under drivers/phy/canaan/.
Signed-off-by: Jiayu Du <jiayu.riscv@isrc.iscas.ac.cn>
Link: https://patch.msgid.link/20260121145526.14672-4-jiayu.riscv@isrc.iscas.ac.cn
Signed-off-by: Vinod Koul <vkoul@kernel.org>
