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>
diff --git a/arch/arm/cpu/arm926ejs/lpc32xx/cpu.c b/arch/arm/cpu/arm926ejs/lpc32xx/cpu.c
index 5117177..4c59a44 100644
--- a/arch/arm/cpu/arm926ejs/lpc32xx/cpu.c
+++ b/arch/arm/cpu/arm926ejs/lpc32xx/cpu.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <netdev.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/clk.h>
diff --git a/arch/arm/cpu/armv7/cache_v7.c b/arch/arm/cpu/armv7/cache_v7.c
index 0dc4ebf..99eb7db 100644
--- a/arch/arm/cpu/armv7/cache_v7.c
+++ b/arch/arm/cpu/armv7/cache_v7.c
@@ -4,6 +4,7 @@
  * Texas Instruments, <www.ti.com>
  * Aneesh V <aneesh@ti.com>
  */
+#include <cpu_func.h>
 #include <linux/types.h>
 #include <common.h>
 #include <asm/armv7.h>
diff --git a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c b/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
index df64f54..4a4b3c6 100644
--- a/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
+++ b/arch/arm/cpu/armv7/ls102xa/ls102xa_psci.c
@@ -6,6 +6,7 @@
  */
 
 #include <config.h>
+#include <cpu_func.h>
 #include <asm/io.h>
 #include <asm/psci.h>
 #include <asm/arch/immap_ls102xa.h>
diff --git a/arch/arm/cpu/armv8/sec_firmware.c b/arch/arm/cpu/armv8/sec_firmware.c
index 8dc0ac9..11f9b4d 100644
--- a/arch/arm/cpu/armv8/sec_firmware.c
+++ b/arch/arm/cpu/armv8/sec_firmware.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <errno.h>
 #include <linux/kernel.h>
 #include <asm/io.h>
diff --git a/arch/arm/cpu/pxa/cache.c b/arch/arm/cpu/pxa/cache.c
index 5cd4a95..d4dfe7f 100644
--- a/arch/arm/cpu/pxa/cache.c
+++ b/arch/arm/cpu/pxa/cache.c
@@ -3,6 +3,7 @@
  * (C) Copyright 2016 Vasily Khoruzhick <anarsoul@gmail.com>
  */
 
+#include <cpu_func.h>
 #include <linux/types.h>
 #include <common.h>