efi_loader: boottime: export efi_[un]load_image()

Those two functions will be used later to re-implement do_bootefi_exec().

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/include/efi_loader.h b/include/efi_loader.h
index cd6ceac..00b81c6 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -317,10 +317,19 @@
 void efi_delete_handle(efi_handle_t obj);
 /* Call this to validate a handle and find the EFI object for it */
 struct efi_object *efi_search_obj(const efi_handle_t handle);
+/* Load image */
+efi_status_t EFIAPI efi_load_image(bool boot_policy,
+				   efi_handle_t parent_image,
+				   struct efi_device_path *file_path,
+				   void *source_buffer,
+				   efi_uintn_t source_size,
+				   efi_handle_t *image_handle);
 /* Start image */
 efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle,
 				    efi_uintn_t *exit_data_size,
 				    u16 **exit_data);
+/* Unload image */
+efi_status_t EFIAPI efi_unload_image(efi_handle_t image_handle);
 /* Find a protocol on a handle */
 efi_status_t efi_search_protocol(const efi_handle_t handle,
 				 const efi_guid_t *protocol_guid,