branding: add LEDE branding

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

target/linux/x86/image/grub-iso.cfg

@@ -5,6 +5,6 @@ set default="0"
 set timeout="@TIMEOUT@"
 set root='(cd)'
 
-menuentry "OpenWrt" {
+menuentry "LEDE" {
 	linux /boot/vmlinuz @CMDLINE@ noinitrd
 }

target/linux/x86/image/grub.cfg

@@ -5,9 +5,9 @@ set default="0"
 set timeout="@TIMEOUT@"
 set root='(hd0,msdos1)'
 
-menuentry "OpenWrt" {
+menuentry "LEDE" {
 	linux /boot/vmlinuz @CMDLINE@ noinitrd
 }
-menuentry "OpenWrt (failsafe)" {
+menuentry "LEDE (failsafe)" {
 	linux /boot/vmlinuz failsafe=true @CMDLINE@ noinitrd
 }