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/misc/gdsys_ioep.h b/drivers/misc/gdsys_ioep.h
index 4d9524b..f195388 100644
--- a/drivers/misc/gdsys_ioep.h
+++ b/drivers/misc/gdsys_ioep.h
@@ -15,6 +15,7 @@
  * @bc:                 Block counter (filled in by FPGA).
  * @packet_length:      Length of the packet's payload bytes.
  */
+#include <linux/bitops.h>
 struct io_generic_packet {
 	u16 target_address;
 	u16 source_address;