build(bl2): enable SP pkg loading for S-EL1 SPMC

Currently the SP package loading mechanism is only enabled when S-EL2
SPMC is selected. Remove this limitation.

Signed-off-by: Balint Dobszay <balint.dobszay@arm.com>
Change-Id: I5bf5a32248e85a26d0345cacff7d539eed824cfc
diff --git a/plat/arm/common/arm_image_load.c b/plat/arm/common/arm_image_load.c
index ebf6dff..c411c6c 100644
--- a/plat/arm/common/arm_image_load.c
+++ b/plat/arm/common/arm_image_load.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2021, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -32,7 +32,7 @@
 		next_bl_params_cpy_ptr);
 }
 
-#if defined(SPD_spmd) && SPMD_SPM_AT_SEL2
+#if defined(SPD_spmd) && BL2_ENABLE_SP_LOAD
 /*******************************************************************************
  * This function appends Secure Partitions to list of loadable images.
  ******************************************************************************/
@@ -76,7 +76,7 @@
  ******************************************************************************/
 struct bl_load_info *plat_get_bl_image_load_info(void)
 {
-#if defined(SPD_spmd) && SPMD_SPM_AT_SEL2
+#if defined(SPD_spmd) && BL2_ENABLE_SP_LOAD
 	bl_load_info_t *bl_load_info;
 
 	bl_load_info = get_bl_load_info_from_mem_params_desc();