Add device tree node for new usbdrd-phy driver, which
is based on generic phy framework.
Signed-off-by: NVivek Gautam <gautam.vivek@samsung.com>
Reviewed-by: NTomasz Figa <t.figa@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>