colibri_t20: change maintainer

Take over maintainership for Colibri T20 module.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Acked-by: Lucas Stach <dev@lynxeye.de>
diff --git a/board/toradex/colibri_t20/MAINTAINERS b/board/toradex/colibri_t20/MAINTAINERS
index b251c00..2a8e6fb7 100644
--- a/board/toradex/colibri_t20/MAINTAINERS
+++ b/board/toradex/colibri_t20/MAINTAINERS
@@ -1,5 +1,5 @@
 COLIBRI_T20
-M:	Lucas Stach <dev@lynxeye.de>
+M:	Igor Opaniuk <igor.opaniuk@toradex.com>
 S:	Maintained
 F:	board/toradex/colibri_t20/
 F:	include/configs/colibri_t20.h