common: Drop linux/bitops.h from common header

Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>

drivers/cpu/bmips_cpu.c

@@ -13,6 +13,7 @@
 #include <errno.h>
 #include <init.h>
 #include <asm/io.h>
+#include <linux/bitops.h>
 
 #define REV_CHIPID_SHIFT		16
 #define REV_CHIPID_MASK			(0xffff << REV_CHIPID_SHIFT)

drivers/cpu/imx8_cpu.c

@@ -12,6 +12,7 @@
 #include <asm/arch/sys_proto.h>
 #include <asm/arch-imx/cpu.h>
 #include <asm/armv8/cpu.h>
+#include <linux/bitops.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 

drivers/cpu/mpc83xx_cpu.c

@@ -11,6 +11,7 @@
 #include <dm.h>
 #include <log.h>
 #include <vsprintf.h>
+#include <linux/bitops.h>
 
 #include "mpc83xx_cpu.h"
 

drivers/cpu/riscv_cpu.c

@@ -10,6 +10,7 @@
 #include <log.h>
 #include <dm/device-internal.h>
 #include <dm/lists.h>
+#include <linux/bitops.h>
 
 DECLARE_GLOBAL_DATA_PTR;