[source] ar71xx: set US region code for TP-Link TL-WR710N v1 image

[LEDE Commits]

neoraider pushed a commit to source.git, branch master:
https://git.lede-project.org/16222a10108c10115cde6b8ef96eabba8fb8b84b

commit 16222a10108c10115cde6b8ef96eabba8fb8b84b
Author: Matthias Schiffer <mschiffer at universe-factory.net>
AuthorDate: Wed Jul 12 19:22:51 2017 +0200

    ar71xx: set US region code for TP-Link TL-WR710N v1 image
    
    Non-US versions of the TP-Link TL-WR710N v1 don't have a region code so
    far, so we can just set US unconditionally.
    
    Signed-off-by: Matthias Schiffer <mschiffer at universe-factory.net>
---
 target/linux/ar71xx/image/tp-link.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/ar71xx/image/tp-link.mk b/target/linux/ar71xx/image/tp-link.mk
index f717707..e0207f2 100644
--- a/target/linux/ar71xx/image/tp-link.mk
+++ b/target/linux/ar71xx/image/tp-link.mk
@@ -747,6 +747,7 @@ define Device/tl-wr710n-v1
   DEVICE_PROFILE := TLWR710
   TPLINK_HWID := 0x07100001
   CONSOLE := ttyATH0,115200
+  IMAGE/factory.bin := append-rootfs | mktplinkfw factory -C US
 endef
 
 define Device/tl-wr710n-v2