Use 1.6.0 config file for AT91 targets

target/device/Atmel/at91rm9200df/Makefile.in

@@ -1,5 +1,10 @@
 ifeq ($(strip$(BOARD_NAME)),at91rm9200df)
 LINUX_BOARD_NAME=at91rm9200ek
+BR2_PACKAGE_BUSYBOX_CONFIG:=$(BR2_BOARD_PATH)/busybox-1.6.0.config
 endif
 
 
+ifeq ($(strip$(BOARD_NAME)),at91rm9200ek)
+BR2_PACKAGE_BUSYBOX_CONFIG:=$(BR2_BOARD_PATH)/busybox-1.6.0.config
+endif
+

target/device/Atmel/at91sam9260dfc/Makefile.in

@@ -1,5 +1,6 @@
 ifeq ($(strip$(BOARD_NAME)),at91sam9260dfc)
 LINUX26_BOARD_NAME=at91sam9260ek
+BR2_PACKAGE_BUSYBOX_CONFIG:=$(BR2_BOARD_PATH)/busybox-1.6.0.config
 endif
 
 

target/device/Atmel/at91sam9261ek/Makefile.in

@@ -1,2 +1,3 @@
 ifeq ($(strip $(BOARD_NAME)),at91sam9261ek)
+BR2_PACKAGE_BUSYBOX_CONFIG:=$(BR2_BOARD_PATH)/busybox-1.6.0.config
 endif

target/device/Atmel/at91sam9263ek/Makefile.in

@@ -1,2 +1,3 @@
 ifeq ($(strip $(BOARD_NAME)),at91sam9263ek)
+BR2_PACKAGE_BUSYBOX_CONFIG:=$(BR2_BOARD_PATH)/busybox-1.6.0.config
 endif