imx6: make boardname consistent with other targets

Signed-off-by: Michael Heimpold <mhei@heimpold.de>

SVN-Revision: 40758

target/linux/imx6/Makefile

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2013 OpenWrt.org
+# Copyright (C) 2013-2014 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -8,7 +8,7 @@ include $(TOPDIR)/rules.mk
 
 ARCH:=arm
 BOARD:=imx6
-BOARDNAME:=Freescale i.MX 6 Series
+BOARDNAME:=Freescale i.MX 6
 FEATURES:=audio display fpu gpio pcie rtc usb usbgadget squashfs targz ubifs
 CPU_TYPE:=cortex-a9
 CPU_SUBTYPE:=neon