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/include/mipi_dsi.h b/include/mipi_dsi.h
index f4a63b4..83c5163 100644
--- a/include/mipi_dsi.h
+++ b/include/mipi_dsi.h
@@ -16,6 +16,7 @@
 #define MIPI_DSI_H
 
 #include <mipi_display.h>
+#include <linux/bitops.h>
 
 struct mipi_dsi_host;
 struct mipi_dsi_device;