vty: fix swapped documentation for 'filler type' command

vty_cmd_string_from_valstr() expands the given 'struct value_string'
sequentionally, so the order of entries in both filler_{types,docs}
shall match (regardless of the value assigned).

Change-Id: Ieb3bbc4fb30f303c47555ca77d03a9e965bc72b5
diff --git a/CommonLibs/trx_vty.c b/CommonLibs/trx_vty.c
index e672928..0bb83fe 100644
--- a/CommonLibs/trx_vty.c
+++ b/CommonLibs/trx_vty.c
@@ -68,8 +68,8 @@
 };
 
 static const struct value_string filler_docs[] = {
-	{ FILLER_ZERO,		"Send an empty burst (default)" },
 	{ FILLER_DUMMY,		"Send a Dummy Burst on C0 (TRX0) and empty burst on other channels" },
+	{ FILLER_ZERO,		"Send an empty burst (default)" },
 	{ FILLER_NORM_RAND,	"Send a GMSK modulated Normal Burst with random bits (spectrum mask testing)" },
 	{ FILLER_EDGE_RAND,	"Send an 8-PSK modulated Normal Burst with random bits (spectrum mask testing)" },
 	{ FILLER_ACCESS_RAND,	"Send an Access Burst with random bits (Rx/Tx alignment testing)" },