syscall: rename z_thread_perms_inherit -> k_thread_perms_inherit

Rename internal API to not use z_/Z_.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

include/zephyr/internal/syscall_handler.h

@@ -120,8 +120,7 @@ void z_object_wordlist_foreach(_wordlist_cb_func_t func, void *context);
  * @param parent Parent thread, to get permissions from
  * @param child Child thread, to copy permissions to
  */
-void z_thread_perms_inherit(struct k_thread *parent,
-				  struct k_thread *child);
+void k_thread_perms_inherit(struct k_thread *parent, struct k_thread *child);
 
 /**
  * Grant a thread permission to a kernel object

kernel/thread.c

@@ -673,7 +673,7 @@ char *z_setup_new_thread(struct k_thread *new_thread,
 	z_mem_domain_init_thread(new_thread);
 
 	if ((options & K_INHERIT_PERMS) != 0U) {
-		z_thread_perms_inherit(_current, new_thread);
+		k_thread_perms_inherit(_current, new_thread);
 	}
 #endif
 #ifdef CONFIG_SCHED_DEADLINE

kernel/userspace.c

@@ -589,7 +589,7 @@ static void wordlist_cb(struct k_object *ko, void *ctx_ptr)
 	}
 }
 
-void z_thread_perms_inherit(struct k_thread *parent, struct k_thread *child)
+void k_thread_perms_inherit(struct k_thread *parent, struct k_thread *child)
 {
 	struct perm_ctx ctx = {
 		thread_index_get(parent),