target/semihosting: export semihosting_common_handlers[] from header file

Signed-off-by: Erhan Kurubas <erhan.kurubas@espressif.com>
Change-Id: I4add0c1dc7888497ee90fd02754607a16434b66f
Reviewed-on: https://review.openocd.org/c/openocd/+/7075
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

src/target/aarch64.c

@@ -3144,8 +3144,6 @@ static const struct command_registration aarch64_exec_command_handlers[] = {
 	COMMAND_REGISTRATION_DONE
 };
 
-extern const struct command_registration semihosting_common_handlers[];
-
 static const struct command_registration aarch64_command_handlers[] = {
 	{
 		.name = "arm",

src/target/armv4_5.c

@@ -1116,8 +1116,6 @@ static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
 	return JIM_OK;
 }
 
-extern const struct command_registration semihosting_common_handlers[];
-
 static const struct command_registration arm_exec_command_handlers[] = {
 	{
 		.name = "reg",

src/target/espressif/esp32.c

@@ -632,7 +632,6 @@ static const struct command_registration esp32_any_command_handlers[] = {
 	COMMAND_REGISTRATION_DONE
 };
 
-extern const struct command_registration semihosting_common_handlers[];
 static const struct command_registration esp32_command_handlers[] = {
 	{
 		.chain = esp_xtensa_smp_command_handlers,

src/target/riscv/riscv.c

@@ -3114,7 +3114,6 @@ static const struct command_registration riscv_exec_command_handlers[] = {
  * protocol, then a command like `riscv semihosting enable` will make
  * sense, but for now all semihosting commands are prefixed with `arm`.
  */
-extern const struct command_registration semihosting_common_handlers[];
 
 const struct command_registration riscv_command_handlers[] = {
 	{

src/target/semihosting_common.h

@@ -201,4 +201,6 @@ void semihosting_set_field(struct target *target, uint64_t value,
 	size_t index,
 	uint8_t *fields);
 
+extern const struct command_registration semihosting_common_handlers[];
+
 #endif	/* OPENOCD_TARGET_SEMIHOSTING_COMMON_H */