Implement single link subnode support to the phy driver.
Add reset support including PHY reset and individual lane reset.
Signed-off-by: NSwapnil Jakhade <sjakhade@cadence.com>
Signed-off-by: NYuti Amonkar <yamonkar@cadence.com>
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>