x86: MAINTAINERS change for AMD microcode patch loader

Changed MAINTAINERS entry for AMD microcode patch loader.

Signed-off-by: Peter Oruba <peter.oruba@amd.com>
Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/MAINTAINERS b/MAINTAINERS
index 5c3f79c..b0244fb 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -378,8 +378,9 @@
 S:	Supported
 
 AMD MICROCODE UPDATE SUPPORT
-P:      Peter Oruba
-M:      peter.oruba@amd.com
+P:      Andreas Herrmann
+M:      andeas.herrmann3@amd.com
+L:      amd64-microcode@amd64.org
 S:      Supported
 
 AMS (Apple Motion Sensor) DRIVER