board: st: Remove board_early_init_f and board_late_init callbacks for stm32 boards

Remove board_early_init_f() and board_late_init() callbacks for stm32
boards as the corresponding flags (CONFIG_BOARD_LATE_INIT and
CONFIG_BOARD_EARLY_INIT_R) are now disabled.

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>

board/st/stm32f429-discovery/stm32f429-discovery.c

@@ -51,11 +51,6 @@ u32 get_board_rev(void)
 	return 0;
 }
 
-int board_early_init_f(void)
-{
-	return 0;
-}
-
 int board_init(void)
 {
 	gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;

board/st/stm32f429-evaluation/stm32f429-evaluation.c

@@ -45,11 +45,6 @@ u32 get_board_rev(void)
 	return 0;
 }
 
-int board_early_init_f(void)
-{
-	return 0;
-}
-
 int board_init(void)
 {
 	gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;

board/st/stm32f469-discovery/stm32f469-discovery.c

@@ -45,11 +45,6 @@ u32 get_board_rev(void)
 	return 0;
 }
 
-int board_early_init_f(void)
-{
-	return 0;
-}
-
 int board_init(void)
 {
 	gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;

board/st/stm32f746-disco/stm32f746-disco.c

@@ -48,11 +48,6 @@ int dram_init_banksize(void)
 	return fdtdec_setup_memory_banksize();
 }
 
-int board_early_init_f(void)
-{
-	return 0;
-}
-
 #ifdef CONFIG_SPL_BUILD
 #ifdef CONFIG_SPL_OS_BOOT
 int spl_start_uboot(void)

board/st/stm32h743-disco/stm32h743-disco.c

@@ -36,21 +36,11 @@ int dram_init_banksize(void)
 	return 0;
 }
 
-int board_early_init_f(void)
-{
-	return 0;
-}
-
 u32 get_board_rev(void)
 {
 	return 0;
 }
 
-int board_late_init(void)
-{
-	return 0;
-}
-
 int board_init(void)
 {
 	gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;

board/st/stm32h743-eval/stm32h743-eval.c

@@ -36,21 +36,11 @@ int dram_init_banksize(void)
 	return 0;
 }
 
-int board_early_init_f(void)
-{
-	return 0;
-}
-
 u32 get_board_rev(void)
 {
 	return 0;
 }
 
-int board_late_init(void)
-{
-	return 0;
-}
-
 int board_init(void)
 {
 	gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;