Blackfin: bf561-acvilon: new board port

Signed-off-by: Valentin Yakovenkov <yakovenkov@niistt.ru>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/Makefile b/Makefile
index b7bf110..aac6a19 100644
--- a/Makefile
+++ b/Makefile
@@ -3531,7 +3531,7 @@
 BFIN_BOARDS += cm-bf527 cm-bf533 cm-bf537e cm-bf537u cm-bf548 cm-bf561 tcm-bf537
 
 # Misc third party boards
-BFIN_BOARDS += bf537-minotaur bf537-srv1 blackstamp
+BFIN_BOARDS += bf537-minotaur bf537-srv1 bf561-acvilon blackstamp
 
 # I-SYST Micromodule
 BFIN_BOARDS += ibf-dsp561