ARM: dts: sti: rename SATA phy-names

Stick to the documentation and rename both SATA phy-names properties to
what is expected.

Signed-off-by: Raphael Gallais-Pou <[e-mail]>
Reviewed-by: Patrice Chotard <[e-mail]>
Signed-off-by: Patrice Chotard <[e-mail]>

arch/arm/boot/dts/st/stih407-family.dtsi

···
 			interrupt-names = "hostc";
 
 			phys = <&phy_port0 PHY_TYPE_SATA>;
-			phy-names = "ahci_phy";
+			phy-names = "sata-phy";
 
 			resets = <&powerdown STIH407_SATA0_POWERDOWN>,
 				 <&softreset STIH407_SATA0_SOFTRESET>,
···
 			interrupt-names = "hostc";
 
 			phys = <&phy_port1 PHY_TYPE_SATA>;
-			phy-names = "ahci_phy";
+			phy-names = "sata-phy";
 
 			resets = <&powerdown STIH407_SATA1_POWERDOWN>,
 				 <&softreset STIH407_SATA1_SOFTRESET>,