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/spi/stm32_qspi.c b/drivers/spi/stm32_qspi.c
index 9fc5f6e..001f070 100644
--- a/drivers/spi/stm32_qspi.c
+++ b/drivers/spi/stm32_qspi.c
@@ -13,6 +13,7 @@
 #include <reset.h>
 #include <spi-mem.h>
 #include <dm/device_compat.h>
+#include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/iopoll.h>
 #include <linux/ioport.h>