arm64: zynqmp: Use reset controller framework for asserting/de-asserting reset

This patch modifies the phy_zynqmp.c driver to use reset-controller
framework for asserting/de-asserting reset for High Speed modules.

Also fix documentation and dtsi.
Signed-off-by: NAnurag Kumar Vulisha <anuragku@xilinx.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/arm/dts/zynqmp.dtsi

@@ -786,9 +786,8 @@
 			status = "disabled";
 			reg = <0x0 0xfd400000 0x0 0x40000>,
 			      <0x0 0xfd3d0000 0x0 0x1000>,
-			      <0x0 0xfd1a0000 0x0 0x1000>,
 			      <0x0 0xff5e0000 0x0 0x1000>;
-			reg-names = "serdes", "siou", "fpd", "lpd";
+			reg-names = "serdes", "siou", "lpd";
 			nvmem-cells = <&soc_revision>;
 			nvmem-cell-names = "soc_revision";
 			resets = <&rst 16>, <&rst 59>, <&rst 60>,