arm64: zynq(mp): Rename spl_board_init() to spl_soc_init()

Rename spl_board_init() to spl_soc_init(). SoC specific
implementation should be separated from board specific implementation
in order to be extended by board developers.

Signed-off-by: Lukas Funke <lukas.funke@weidmueller.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20240327121153.2455126-3-lukas.funke-oss@weidmueller.com
Signed-off-by: Michal Simek <michal.simek@amd.com>

arch/arm/Kconfig

@@ -1272,7 +1272,7 @@ config ARCH_ZYNQ
 	select OF_CONTROL
 	select MTD
 	select SPI
-	select SPL_BOARD_INIT if SPL
+	select SPL_SOC_INIT if SPL
 	select SPL_CLK if SPL
 	select SPL_DM if SPL
 	select SPL_DM_SPI if SPL
@@ -1315,7 +1315,7 @@ config ARCH_ZYNQMP
 	imply FIRMWARE
 	select GICV2
 	select OF_CONTROL
-	select SPL_BOARD_INIT if SPL
+	select SPL_SOC_INIT if SPL
 	select SPL_CLK if SPL
 	select SPL_DM if SPL
 	select SPL_DM_SPI if SPI && SPL_DM

arch/arm/mach-zynq/spl.c

@@ -31,8 +31,8 @@ void board_init_f(ulong dummy)
 	arch_cpu_init();
 }
 
-#ifdef CONFIG_SPL_BOARD_INIT
-void spl_board_init(void)
+#ifdef CONFIG_SPL_SOC_INIT
+void spl_soc_init(void)
 {
 	preloader_console_init();
 #if defined(CONFIG_ARCH_EARLY_INIT_R) && defined(CONFIG_SPL_FPGA)

arch/arm/mach-zynqmp/spl.c

@@ -56,8 +56,8 @@ static void ps_mode_reset(ulong mode)
 # define MODE_RESET	PS_MODE1
 #endif
 
-#ifdef CONFIG_SPL_BOARD_INIT
-void spl_board_init(void)
+#ifdef CONFIG_SPL_SOC_INIT
+void spl_soc_init(void)
 {
 	preloader_console_init();
 	ps_mode_reset(MODE_RESET);