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>
diff --git a/arch/arm/cpu/armv8/hisilicon/pinmux.c b/arch/arm/cpu/armv8/hisilicon/pinmux.c
index 6b6ad02..5183e00 100644
--- a/arch/arm/cpu/armv8/hisilicon/pinmux.c
+++ b/arch/arm/cpu/armv8/hisilicon/pinmux.c
@@ -10,6 +10,7 @@
 #include <asm/gpio.h>
 #include <asm/io.h>
 #include <asm/arch/pinmux.h>
+#include <linux/bitops.h>
 
 struct hi6220_pinmux0_regs *pmx0 =
 	(struct hi6220_pinmux0_regs *)HI6220_PINMUX0_BASE;