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/common/image-cipher.c b/common/image-cipher.c
index f50c3d3..09869f7 100644
--- a/common/image-cipher.c
+++ b/common/image-cipher.c
@@ -10,7 +10,7 @@
 #include <common.h>
 #include <malloc.h>
 DECLARE_GLOBAL_DATA_PTR;
-#endif /* !USE_HOSTCC*/
+#endif /* !USE_HOSdTCC*/
 #include <image.h>
 #include <uboot_aes.h>
 #include <u-boot/aes.h>