common: Move RAM-sizing functions to init.h
These functions relate to memory init so move them into the init
header.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index 639f531..e3df696 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -8,6 +8,7 @@
#include <cpu_func.h>
#include <env.h>
#include <fsl_ddr_sdram.h>
+#include <init.h>
#include <vsprintf.h>
#include <asm/io.h>
#include <linux/errno.h>