common: Move ARM cache operations out of common.h

These functions are CPU-related and do not use driver model. Move them to
cpu_func.h

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

board/Arcturus/ucp1020/cmd_arc.c

@@ -9,6 +9,7 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <div64.h>
 #include <env.h>
 #include <malloc.h>

board/beckhoff/mx53cx9020/mx53cx9020.c

@@ -8,6 +8,7 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/iomux-mx53.h>

board/broadcom/bcmstb/bcmstb.c

@@ -6,6 +6,7 @@
  * Author: Thomas Fitzsimmons <fitzsim@fitzsim.org>
  */
 
+#include <cpu_func.h>
 #include <time.h>
 #include <linux/types.h>
 #include <common.h>

board/cirrus/edb93xx/edb93xx.c

@@ -16,6 +16,7 @@
 #include <config.h>
 #include <common.h>
 #include <cpu_func.h>
+#include <irq_func.h>
 #include <netdev.h>
 #include <status_led.h>
 #include <asm/io.h>

board/phytec/pfla02/pfla02.c

@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/imx-regs.h>

board/sandbox/sandbox.c

@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <cros_ec.h>
 #include <dm.h>
 #include <led.h>