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/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 647d8c7..b2b5c69 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -44,6 +44,7 @@
 #include <libata.h>
 #include <malloc.h>
 #include <sata.h>
+#include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/errno.h>
 #include <asm/io.h>