[source] ar71xx: add model detection for UBNT Rocket Ti

[LEDE Commits]

neoraider pushed a commit to source.git, branch master:
https://git.lede-project.org/9a5801e7f6e8bc6641ca320e4497d298080f1b24

commit 9a5801e7f6e8bc6641ca320e4497d298080f1b24
Author: Matthias Schiffer <mschiffer at universe-factory.net>
AuthorDate: Tue Nov 29 15:35:46 2016 +0100

    ar71xx: add model detection for UBNT Rocket Ti
    
    Based-on-patch-by: Neal Oakey <neal.oakey at bingo-ev.de>
    Signed-off-by: Matthias Schiffer <mschiffer at universe-factory.net>
---
 target/linux/ar71xx/base-files/lib/ar71xx.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh
index 37af9d4..a4aece8 100755
--- a/target/linux/ar71xx/base-files/lib/ar71xx.sh
+++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh
@@ -82,7 +82,8 @@ ubnt_xm_board_detect() {
 		"e0a")
 			model="Ubiquiti NanoStation loco M"
 			;;
-		"e1b")  # Rocket M5 untested
+		"e1b"|\ # Note: the M5 / M5 Ti haven't yet been verified
+		"e1d")  # Rocket M Ti
 			model="Ubiquiti Rocket M"
 			;;
 		"e20"|\