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/mmc/sdhci-cadence.c b/drivers/mmc/sdhci-cadence.c
index 86408d5..7b5010b 100644
--- a/drivers/mmc/sdhci-cadence.c
+++ b/drivers/mmc/sdhci-cadence.c
@@ -8,6 +8,7 @@
 #include <dm.h>
 #include <dm/device_compat.h>
 #include <linux/bitfield.h>
+#include <linux/bitops.h>
 #include <linux/bug.h>
 #include <linux/io.h>
 #include <linux/iopoll.h>