Clean quorum and format change command docs

The man pages and inline help blurbs for the recently added format
version and quorum config commands incorrectly described the device
arguments which are needed.

Signed-off-by: Zach Brown <zab@versity.com>

utils/src/change_format_version.c

@@ -222,7 +222,7 @@ static struct argp_option options[] = {
 static struct argp argp = {
 	options,
 	parse_opt,
-	"",
+	"META-DEVICE DATA-DEVICE",
 	"Change format version of an existing ScoutFS filesystem"
 };
 

utils/src/change_quorum_config.c

@@ -147,7 +147,7 @@ static struct argp_option options[] = {
 static struct argp argp = {
 	options,
 	parse_opt,
-	"",
+	"META-DEVICE",
 	"Change quorum slots and addresses of an existing ScoutFS filesystem"
 };