app/testpmd: fix help string for port reset

Command help string is missing 'reset' keyword,
although description has it. Adding it.

Fixes: 97f1e19 ("app/testpmd: add port reset command")
Cc: stable@dpdk.org

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>

app/test-pmd/cmdline.c

@@ -1237,7 +1237,7 @@ cmdline_parse_token_string_t cmd_operate_port_all_all =
 cmdline_parse_inst_t cmd_operate_port = {
 	.f = cmd_operate_port_parsed,
 	.data = NULL,
-	.help_str = "port start|stop|close all: Start/Stop/Close/Reset all ports",
+	.help_str = "port start|stop|close|reset all: Start/Stop/Close/Reset all ports",
 	.tokens = {
 		(void *)&cmd_operate_port_all_cmd,
 		(void *)&cmd_operate_port_all_port,
@@ -1284,7 +1284,7 @@ cmdline_parse_token_num_t cmd_operate_specific_port_id =
 cmdline_parse_inst_t cmd_operate_specific_port = {
 	.f = cmd_operate_specific_port_parsed,
 	.data = NULL,
-	.help_str = "port start|stop|close <port_id>: Start/Stop/Close/Reset port_id",
+	.help_str = "port start|stop|close|reset <port_id>: Start/Stop/Close/Reset port_id",
 	.tokens = {
 		(void *)&cmd_operate_specific_port_cmd,
 		(void *)&cmd_operate_specific_port_port,