USB: host: ehci-atmel: Add support for HSIC phy

Add support for USB Host High Speed Port HSIC phy.

Tested-by: Alexander Dahl <ada@thorsis.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>
Link: https://lore.kernel.org/r/20210910163842.1596407-3-cristian.birsan@microchip.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>