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/cmd/nvedit.c b/cmd/nvedit.c
index 3784abc..08d49df 100644
--- a/cmd/nvedit.c
+++ b/cmd/nvedit.c
@@ -35,6 +35,7 @@
 #include <errno.h>
 #include <malloc.h>
 #include <mapmem.h>
+#include <linux/bitops.h>
 #include <u-boot/crc.h>
 #include <watchdog.h>
 #include <linux/stddef.h>