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/stm32_sdmmc2.c b/drivers/mmc/stm32_sdmmc2.c
index b802316..6d50356 100644
--- a/drivers/mmc/stm32_sdmmc2.c
+++ b/drivers/mmc/stm32_sdmmc2.c
@@ -11,7 +11,9 @@
 #include <fdtdec.h>
 #include <log.h>
 #include <malloc.h>
+#include <asm/bitops.h>
 #include <asm/cache.h>
+#include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/libfdt.h>
 #include <mmc.h>