branding: add LEDE branding

Signed-off-by: John Crispin <blogic@openwrt.org>

package/network/services/uhttpd/files/uhttpd.config

@@ -83,7 +83,7 @@ config uhttpd main
 	option tcp_keepalive	1
 
 	# Basic auth realm, defaults to local hostname
-#	option realm	OpenWrt
+#	option realm	Lede
 
 	# Configuration file in busybox httpd format
 #	option config	/etc/httpd.conf
@@ -119,4 +119,4 @@ config cert px5g
 	option location		Unknown
 
 	# Common name
-	option commonname	OpenWrt
+	option commonname	Lede