openocd: fix command's usage string

The usage string should contain only the command parameters.
OpenOCD will automatically prepend the command name to the usage
string while dumping the usage or help message.

Remove the repeated command name from the usage string.

Change-Id: If10a0f1c254aee302b9ca08958390b7f21cdb21b
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/5824
Tested-by: jenkins

src/jtag/hla/hla_interface.c

@@ -341,7 +341,7 @@ static const struct command_registration hl_interface_command_handlers[] = {
 	 .handler = &interface_handle_hla_command,
 	 .mode = COMMAND_EXEC,
 	 .help = "execute a custom adapter-specific command",
-	 .usage = "hla_command <command>",
+	 .usage = "<command>",
 	 },
 	COMMAND_REGISTRATION_DONE
 };

src/svf/svf.c

@@ -1556,7 +1556,7 @@ static const struct command_registration svf_command_handlers[] = {
 		.handler = handle_svf_command,
 		.mode = COMMAND_EXEC,
 		.help = "Runs a SVF file.",
-		.usage = "svf [-tap device.tap] <file> [quiet] [nil] [progress] [ignore_error]",
+		.usage = "[-tap device.tap] <file> [quiet] [nil] [progress] [ignore_error]",
 	},
 	COMMAND_REGISTRATION_DONE
 };

src/target/nds32_cmd.c

@@ -1036,7 +1036,7 @@ static const struct command_registration nds32_exec_command_handlers[] = {
 		.name = "login_edm_operation",
 		.handler = handle_nds32_login_edm_operation_command,
 		.mode = COMMAND_CONFIG,
-		.usage = "login_edm_operation misc_reg_no value",
+		.usage = "misc_reg_no value",
 		.help = "add EDM operations for secure MCU debugging.",
 	},
 	{

src/target/openrisc/or1k.c

@@ -1377,21 +1377,21 @@ static const struct command_registration or1k_hw_ip_command_handlers[] = {
 		.name = "tap_select",
 		.handler = or1k_tap_select_command_handler,
 		.mode = COMMAND_ANY,
-		.usage = "tap_select name",
+		.usage = "name",
 		.help = "Select the TAP core to use",
 	},
 	{
 		.name = "tap_list",
 		.handler = or1k_tap_list_command_handler,
 		.mode = COMMAND_ANY,
-		.usage = "tap_list",
+		.usage = "",
 		.help = "Display available TAP core",
 	},
 	{
 		.name = "du_select",
 		.handler = or1k_du_select_command_handler,
 		.mode = COMMAND_ANY,
-		.usage = "du_select name",
+		.usage = "name",
 		.help = "Select the Debug Unit core to use",
 	},
 	{
@@ -1409,7 +1409,7 @@ static const struct command_registration or1k_reg_command_handlers[] = {
 		.name = "addreg",
 		.handler = or1k_addreg_command_handler,
 		.mode = COMMAND_ANY,
-		.usage = "addreg name addr feature group",
+		.usage = "name addr feature group",
 		.help = "Add a register to the register list",
 	},
 	COMMAND_REGISTRATION_DONE