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/drivers/spi/spi-sunxi.c b/drivers/spi/spi-sunxi.c
index 85b662b..d2dccd6 100644
--- a/drivers/spi/spi-sunxi.c
+++ b/drivers/spi/spi-sunxi.c
@@ -28,6 +28,7 @@
 #include <reset.h>
 #include <wait_bit.h>
 #include <dm/device_compat.h>
+#include <linux/bitops.h>
 
 #include <asm/bitops.h>
 #include <asm/gpio.h>