feat(bl32): create an sp_min_setup function

This new C function will call sp_min_early_platform_setup2() and
sp_min_plat_arch_setup(). At this step the C environment is already
enabled, and it allows adding function like the one for early console
for which r9-r12 registers could be clobbered.

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: I4cbf2f6acea769d595ff40b2e2b4ca5d29672878
diff --git a/bl32/sp_min/aarch32/entrypoint.S b/bl32/sp_min/aarch32/entrypoint.S
index 693dd4b..ba9d90d 100644
--- a/bl32/sp_min/aarch32/entrypoint.S
+++ b/bl32/sp_min/aarch32/entrypoint.S
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -118,8 +118,7 @@
 	mov	r1, r10
 	mov	r2, r11
 	mov	r3, r12
-	bl	sp_min_early_platform_setup2
-	bl	sp_min_plat_arch_setup
+	bl	sp_min_setup
 
 	/* Jump to the main function */
 	bl	sp_min_main