efi_loader: simplify ifdefs

Use CONFIG_IS_ENABLED(EFI_LOADER) to avoid explicitly checking CONFIG_SPL
too. This simplifies the conditional.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/include/efi_loader.h b/include/efi_loader.h
index f162adf..b46babf 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -13,7 +13,7 @@
 #include <efi_api.h>
 
 /* No need for efi loader support in SPL */
-#if defined(CONFIG_EFI_LOADER) && !defined(CONFIG_SPL_BUILD)
+#if CONFIG_IS_ENABLED(EFI_LOADER)
 
 #include <linux/list.h>
 
@@ -460,7 +460,7 @@
 void *efi_bootmgr_load(struct efi_device_path **device_path,
 		       struct efi_device_path **file_path);
 
-#else /* defined(EFI_LOADER) && !defined(CONFIG_SPL_BUILD) */
+#else /* CONFIG_IS_ENABLED(EFI_LOADER) */
 
 /* Without CONFIG_EFI_LOADER we don't have a runtime section, stub it out */
 #define __efi_runtime_data
@@ -477,6 +477,6 @@
 static inline void efi_net_set_dhcp_ack(void *pkt, int len) { }
 static inline void efi_print_image_infos(void *pc) { }
 
-#endif /* CONFIG_EFI_LOADER && !CONFIG_SPL_BUILD */
+#endif /* CONFIG_IS_ENABLED(EFI_LOADER) */
 
 #endif /* _EFI_LOADER_H */