x86: dts: Move PCI peripherals into a pci node

These peripherals should not be at the top level, since they exist inside
the PCI bus. We don't have a full device tree node for pci yet, but we
should at least put it at the right level.

Signed-off-by: Simon Glass <sjg@chromium.org>

arch/x86/dts/link.dts

@@ -163,21 +163,23 @@
 		};
 	};
 
-	lpc {
-		compatible = "intel,lpc";
-		#address-cells = <1>;
-		#size-cells = <1>;
-		gen-dec = <0x800 0xfc 0x900 0xfc>;
-		cros-ec@200 {
-			compatible = "google,cros-ec";
-			reg = <0x204 1 0x200 1 0x880 0x80>;
-
-			/* This describes the flash memory within the EC */
+	pci {
+		lpc {
+			compatible = "intel,lpc";
 			#address-cells = <1>;
 			#size-cells = <1>;
-			flash@8000000 {
-				reg = <0x08000000 0x20000>;
-				erase-value = <0xff>;
+			gen-dec = <0x800 0xfc 0x900 0xfc>;
+			cros-ec@200 {
+				compatible = "google,cros-ec";
+				reg = <0x204 1 0x200 1 0x880 0x80>;
+
+				/* Describes the flash memory within the EC */
+				#address-cells = <1>;
+				#size-cells = <1>;
+				flash@8000000 {
+					reg = <0x08000000 0x20000>;
+					erase-value = <0xff>;
+				};
 			};
 		};
 	};