scsi: ceva: Enable PHY and reset support

Add phy and reset support for ceva sata IP. Phy and reset are optional
properties that's why detect if description is available. If not just
continue with operation.
This code was tested on Xilinx Kria SOM kv260-revA with sata connector
populated.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/eb3adf649be866aab19fc70ecc0fc8921545b1ac.1644226590.git.michal.simek@xilinx.com