x86: dts: Add microcode updates for ivybridge CPU

Add two microcode updates that are provided for this CPU. The updates
have been converted to a device tree form.

Note: SPDX submission has been done. If this license is approved I will
convert the files to use SPDX.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/dts/link.dts b/arch/x86/dts/link.dts
index 63933aa..f1b7bf0 100644
--- a/arch/x86/dts/link.dts
+++ b/arch/x86/dts/link.dts
@@ -67,4 +67,14 @@
 			};
 		};
 	};
+
+	microcode {
+		update@0 {
+#include "m12206a7_00000028.dtsi"
+		};
+		update@1 {
+#include "m12306a9_00000017.dtsi"
+		};
+	};
+
 };