MAINTAINERS: Add maintainers to XEN section

Signed-off-by: Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 17ac455..bebe87b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1097,6 +1097,22 @@
 F:	arch/x86/
 F:	cmd/x86/
 
+XEN
+M:	Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
+M:	Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
+S:	Maintained
+F:	arch/arm/cpu/armv8/xen/
+F:	arch/arm/include/asm/xen.h
+F:	arch/arm/include/asm/xen/
+F:	cmd/pvblock.c
+F:	drivers/serial/serial_xen.c
+F:	drivers/xen/
+F:	include/pvblock.h
+F:	include/xen/
+F:	include/xen.h
+F:	lib/sscanf.c
+F:	test/lib/sscanf.c
+
 XTENSA
 M:	Max Filippov <jcmvbkbc@gmail.com>
 S:	Maintained
diff --git a/board/xen/xenguest_arm64/MAINTAINERS b/board/xen/xenguest_arm64/MAINTAINERS
index 787e9e0..264920e 100644
--- a/board/xen/xenguest_arm64/MAINTAINERS
+++ b/board/xen/xenguest_arm64/MAINTAINERS
@@ -1,5 +1,6 @@
 XEN GUEST FOR ARM64
-M:	Andrii Anisov <andrii_anisov@epam.com>
+M:	Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
+M:	Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
 S:	Maintained
 F:	board/xen/xenguest_arm64/
 F:	doc/board/xen/