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/gpio/mscc_sgpio.c b/drivers/gpio/mscc_sgpio.c
index 1bbd212..780d77b 100644
--- a/drivers/gpio/mscc_sgpio.c
+++ b/drivers/gpio/mscc_sgpio.c
@@ -15,6 +15,7 @@
 #include <errno.h>
 #include <clk.h>
 #include <dm/device_compat.h>
+#include <linux/bitops.h>
 #include <linux/err.h>
 
 #define MSCC_SGPIOS_PER_BANK	32