board: starfive: Rename spl_soc_init() to spl_dram_init()

Rename spl_soc_init() to spl_dram_init() because the generic function
name does not reflect what the function actually does. Also
spl_dram_init() is commonly used for dram initialization and should be
called from board_init_f().

Signed-off-by: Lukas Funke <lukas.funke@weidmueller.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

arch/riscv/cpu/jh7110/spl.c

@@ -28,7 +28,7 @@ static bool check_ddr_size(phys_size_t size)
 	}
 }
 
-int spl_soc_init(void)
+int spl_dram_init(void)
 {
 	int ret;
 	struct udevice *dev;

arch/riscv/include/asm/arch-jh7110/spl.h

@@ -7,6 +7,6 @@
 #ifndef _SPL_STARFIVE_H
 #define _SPL_STARFIVE_H
 
-int spl_soc_init(void);
+int spl_dram_init(void);
 
 #endif /* _SPL_STARFIVE_H */

board/starfive/visionfive2/spl.c

@@ -285,9 +285,9 @@ int spl_board_init_f(void)
 
 	jh7110_jtag_init();
 
-	ret = spl_soc_init();
+	ret = spl_dram_init();
 	if (ret) {
-		debug("JH7110 SPL init failed: %d\n", ret);
+		debug("JH7110 DRAM init failed: %d\n", ret);
 		return ret;
 	}