Add apollon board MAINTAINERS entry

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 33821b8..d1782b4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -560,6 +560,10 @@
 
 	omap2420h4		ARM1136EJS
 
+Kyungmin Park <kyungmin.park@samsung.com>
+
+	apollon			ARM1136EJS
+
 Alex Züpke <azu@sysgo.de>
 
 	lart			SA1100