sunxi: enable /proc/device-tree - used for board detection

Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>



git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39972 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/sunxi/config-3.13

@@ -315,6 +315,7 @@ CONFIG_PREEMPT_COUNT=y
 CONFIG_PREEMPT_RCU=y
 CONFIG_PRINTK_TIME=y
 # CONFIG_PRINT_QUOTA_WARNING is not set
+CONFIG_PROC_DEVICETREE=y
 CONFIG_PROC_EVENTS=y
 CONFIG_PROC_PAGE_MONITOR=y
 CONFIG_PROC_PID_CPUSET=y