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/board/cortina/presidio-asic/presidio.c b/board/cortina/presidio-asic/presidio.c
index 427151c..3c132f1 100644
--- a/board/cortina/presidio-asic/presidio.c
+++ b/board/cortina/presidio-asic/presidio.c
@@ -9,6 +9,7 @@
 #include <errno.h>
 #include <netdev.h>
 #include <asm/io.h>
+#include <linux/bitops.h>
 #include <linux/compiler.h>
 #include <configs/presidio_asic.h>
 #include <linux/psci.h>