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>
diff --git a/arch/arm/mach-zynq/spl.c b/arch/arm/mach-zynq/spl.c
index 8ef12ed..dc964dc 100644
--- a/arch/arm/mach-zynq/spl.c
+++ b/arch/arm/mach-zynq/spl.c
@@ -31,8 +31,8 @@
 	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)