blackfin: bf60x: add board and headers files to support bf609

Board and config header files for bf609-ezkit support.

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Sonic Zhang <sonic.adi@gmail.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 45e2dd4..8603085 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1226,7 +1226,7 @@
 #	Board		CPU						#
 #########################################################################
 
-Mike Frysinger <vapier@gentoo.org>
+Sonic Zhang <sonic.adi@gmail.com>
 Blackfin Team <u-boot-devel@blackfin.uclinux.org>
 
 	BF506F-EZKIT	BF506
@@ -1243,6 +1243,7 @@
 	BF538F-EZKIT	BF538
 	BF548-EZKIT	BF548
 	BF561-EZKIT	BF561
+	BF609-EZKIT	BF609
 
 M.Hasewinkel (MHA) <info@ssv-embedded.de>