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/firmware/ti_sci.h b/drivers/firmware/ti_sci.h
index 24b4d1c..327bb82 100644
--- a/drivers/firmware/ti_sci.h
+++ b/drivers/firmware/ti_sci.h
@@ -15,6 +15,7 @@
 #define __TI_SCI_H
 
 /* Generic Messages */
+#include <linux/bitops.h>
 #define TI_SCI_MSG_ENABLE_WDT		0x0000
 #define TI_SCI_MSG_WAKE_RESET		0x0001
 #define TI_SCI_MSG_VERSION		0x0002