ARM: dts: DRA7X: drop id property in pcie_phy

Since phyid is no longer used by pcie driver, this field can be dropped
from the DT.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/dra7.dtsi

@@ -1111,7 +1111,6 @@
 					      "wkupclk", "refclk",
 					      "div-clk", "phy-div";
 				#phy-cells = <0>;
-				id = <1>;
 				ti,hwmods = "pcie1-phy";
 			};
 
@@ -1132,7 +1131,6 @@
 					      "div-clk", "phy-div";
 				#phy-cells = <0>;
 				ti,hwmods = "pcie2-phy";
-				id = <2>;
 				status = "disabled";
 			};
 		};