MAINTAINERS: Add Maintainers for Intel Elkhart Lake SoC

Signed-off-by: Lean Sheng Tan <sheng.tan@9elements.com>
Change-Id: I165dc152af305b8df2d5e0c9396e11087004b3c1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64946
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/MAINTAINERS b/MAINTAINERS
index 4fd36d1..69a2fc2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -685,6 +685,12 @@
 S:	Maintained
 F:	src/soc/intel/denverton_ns/
 
+INTEL ELKHARTLAKE SOC
+M:	Lean Sheng Tan <sheng.tan@9elements.com>
+M:	Werner Zeh <werner.zeh@siemens.com>
+S:	Maintained
+F:	src/soc/intel/elkhartlake/
+
 INTEL TIGERLAKE SOC
 M:	Tim Wawrzynczak <twawrzynczak@chromium.org>
 S:	Maintained