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

@@ -163,6 +163,7 @@
 		};
 	};
 
+	pci {
 		lpc {
 			compatible = "intel,lpc";
 			#address-cells = <1>;
@@ -172,7 +173,7 @@
 				compatible = "google,cros-ec";
 				reg = <0x204 1 0x200 1 0x880 0x80>;
 
-			/* This describes the flash memory within the EC */
+				/* Describes the flash memory within the EC */
 				#address-cells = <1>;
 				#size-cells = <1>;
 				flash@8000000 {
@@ -181,6 +182,7 @@
 				};
 			};
 		};
+	};
 
 	microcode {
 		update@0 {