MAINTAINERS: Add maintainer information for LoongArch

Add the maintainer information for the LoongArch (LA or LArch for short)
architecture.

Reviewed-by: Guo Ren <[email protected]>
Reviewed-by: Jiaxun Yang <[email protected]>
Signed-off-by: WANG Xuerui <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>

Author: chenhuacai

MAINTAINERS

@@ -11554,6 +11554,16 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/display/bridge/lontium,lt8912b.yaml
 F:	drivers/gpu/drm/bridge/lontium-lt8912b.c
 
+LOONGARCH
+M:	Huacai Chen <[email protected]>
+R:	WANG Xuerui <[email protected]>
+S:	Maintained
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git
+F:	arch/loongarch/
+F:	drivers/*/*loongarch*
+F:	Documentation/loongarch/
+F:	Documentation/translations/zh_CN/loongarch/
+
 LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
 M:	Sathya Prakash <[email protected]>
 M:	Sreekanth Reddy <[email protected]>