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/am654_sdhci.c b/drivers/mmc/am654_sdhci.c
index ca76e1f..cbc531d 100644
--- a/drivers/mmc/am654_sdhci.c
+++ b/drivers/mmc/am654_sdhci.c
@@ -13,6 +13,7 @@
 #include <regmap.h>
 #include <sdhci.h>
 #include <dm/device_compat.h>
+#include <linux/bitops.h>
 #include <linux/err.h>
 
 /* CTL_CFG Registers */