board: tq: fix spelling of "TQ-Systems"

"TQ-Systems" is written with a dash.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
diff --git a/include/configs/tqma6.h b/include/configs/tqma6.h
index 374a65a..233031b 100644
--- a/include/configs/tqma6.h
+++ b/include/configs/tqma6.h
@@ -2,7 +2,7 @@
 /*
  * Copyright (C) 2013, 2014, 2017 Markus Niebel <Markus.Niebel@tq-group.com>
  *
- * Configuration settings for the TQ Systems TQMa6<Q,D,DL,S> module.
+ * Configuration settings for the TQ-Systems TQMa6<Q,D,DL,S> module.
  */
 
 #ifndef __CONFIG_H