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/pca953x_gpio.c b/drivers/gpio/pca953x_gpio.c
index d06b834..fd17d1a 100644
--- a/drivers/gpio/pca953x_gpio.c
+++ b/drivers/gpio/pca953x_gpio.c
@@ -28,6 +28,7 @@
 #include <asm/io.h>
 #include <dm/device_compat.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <linux/bitops.h>
 
 #define PCA953X_INPUT           0
 #define PCA953X_OUTPUT          1