brcm2708: add subtarget copyright and use better board names

Signed-off-by: Álvaro Fernández Rojas <[email protected]>

SVN-Revision: 44431

target/linux/brcm2708/bcm2708/target.mk

@@ -1,4 +1,9 @@
-BOARDNAME:=bcm2708
+#
+# Copyright (C) 2015 OpenWrt.org
+#
+
+SUBTARGET:=bcm2708
+BOARDNAME:=BCM2708 based boards
 
 define Target/Description
 	Build firmware image for Broadcom BCM2708 SoC devices.

target/linux/brcm2708/bcm2709/target.mk

@@ -1,4 +1,9 @@
-BOARDNAME:=bcm2709
+#
+# Copyright (C) 2015 OpenWrt.org
+#
+
+SUBTARGET:=bcm2709
+BOARDNAME:=BCM2709 based boards
 CPU_TYPE:=cortex-a7
 CPU_SUBTYPE:=vfp