e1_input_vty: Fix VTY help strings

* HSL was never fully supported, not sure why it's in the help
* E1D was neglected to add to the help string

Change-Id: I4a5e503676618171e59550774892816b61adecae
diff --git a/src/e1_input_vty.c b/src/e1_input_vty.c
index 15f325f..0da1bc5 100644
--- a/src/e1_input_vty.c
+++ b/src/e1_input_vty.c
@@ -49,8 +49,8 @@
 #define E1_DRIVER_HELP		"mISDN supported E1 Card (kernel LAPD)\n" \
 				"mISDN supported E1 Card (userspace LAPD)\n" \
 				"DAHDI supported E1/T1/J1 Card\n" \
+				"osmo-e1d supported E1 interface\n" \
 				"IPA TCP/IP input\n" \
-				"HSL TCP/IP input\n" \
 				"Unix socket input\n"
 
 #define E1_LINE_HELP		"Configure E1/T1/J1 Line\n" "Line Number\n"