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/mtd/onenand/onenand_spl.c b/drivers/mtd/onenand/onenand_spl.c
index c4983d1..ab6f1a8 100644
--- a/drivers/mtd/onenand/onenand_spl.c
+++ b/drivers/mtd/onenand/onenand_spl.c
@@ -9,6 +9,7 @@
 
 #include <common.h>
 #include <asm/io.h>
+#include <linux/bitops.h>
 #include <linux/mtd/onenand_regs.h>
 #include <onenand_uboot.h>