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/power/domain/mtk-power-domain.c b/drivers/power/domain/mtk-power-domain.c
index 3ff7ca1..fae4749 100644
--- a/drivers/power/domain/mtk-power-domain.c
+++ b/drivers/power/domain/mtk-power-domain.c
@@ -13,6 +13,7 @@
 #include <syscon.h>
 #include <asm/io.h>
 #include <asm/processor.h>
+#include <linux/bitops.h>
 #include <linux/err.h>
 #include <linux/iopoll.h>