This compatible string is for the USB PHY on IPQ60xx systems.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Link: https://lore.kernel.org/r/7e1e7bda6ccdaab9adeeb956fac1acc39908a8dc.1611756920.git.baruch@tkos.co.ilSigned-off-by: Vinod Koul <vkoul@kernel.org>