common: Move some board functions out of common.h

A number of board function belong in init.h with the others. Move them.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-imx/mx6/opos6ul.c b/arch/arm/mach-imx/mx6/opos6ul.c
index 0c640e2..4b3c59f 100644
--- a/arch/arm/mach-imx/mx6/opos6ul.c
+++ b/arch/arm/mach-imx/mx6/opos6ul.c
@@ -3,6 +3,7 @@
  * Copyright (C) 2018 Armadeus Systems
  */
 
+#include <init.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/crm_regs.h>
 #include <asm/arch/imx-regs.h>
diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c
index 6dccee4..926718b 100644
--- a/arch/arm/mach-imx/mx6/soc.c
+++ b/arch/arm/mach-imx/mx6/soc.c
@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <init.h>
 #include <linux/errno.h>
 #include <asm/io.h>
 #include <asm/arch/imx-regs.h>
diff --git a/arch/arm/mach-imx/mx7ulp/soc.c b/arch/arm/mach-imx/mx7ulp/soc.c
index 127fcfe..4b6014e 100644
--- a/arch/arm/mach-imx/mx7ulp/soc.c
+++ b/arch/arm/mach-imx/mx7ulp/soc.c
@@ -2,6 +2,7 @@
 /*
  * Copyright (C) 2016 Freescale Semiconductor, Inc.
  */
+#include <init.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/imx-regs.h>