MAINTAINERS: add maintainers for soc/amd/cezanne and soc/amd/common

Change-Id: Ib661fdf27d5cdb6c2b989c7f2acfc8a6e061657c
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48239
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 880c4aa..14444aa 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -551,6 +551,20 @@
 # Systems on a Chip
 ################################################################################
 
+AMD Cezanne
+M:	Marshall Dawson <marshalldawson3rd@gmail.com>
+M:	Felix Held <felix-coreboot@felixheld.de>
+M:	Jason Glenesk <jason.glenesk@gmail.com>
+S:	Maintained
+F:	src/soc/amd/cezanne/
+
+AMD common SoC code
+M:	Marshall Dawson <marshalldawson3rd@gmail.com>
+M:	Felix Held <felix-coreboot@felixheld.de>
+M:	Jason Glenesk <jason.glenesk@gmail.com>
+S:	Maintained
+F:	src/soc/amd/common/
+
 AMD Picasso
 M:	Marshall Dawson <marshalldawson3rd@gmail.com>
 M:	Felix Held <felix-coreboot@felixheld.de>