media: v4l2-subdev.h: BIT() is not available in userspace

The BIT macro is not available in userspace, so replace BIT(0) by
0x00000001.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Fixes: 6446ec6 ("media: v4l2-subdev: add VIDIOC_SUBDEV_QUERYCAP ioctl")
Cc: <stable@vger.kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Author: Hans Verkuil

include/uapi/linux/v4l2-subdev.h

@@ -176,7 +176,7 @@ struct v4l2_subdev_capability {
 };
 
 /* The v4l2 sub-device video device node is registered in read-only mode. */
-#define V4L2_SUBDEV_CAP_RO_SUBDEV		BIT(0)
+#define V4L2_SUBDEV_CAP_RO_SUBDEV		0x00000001
 
 /* Backwards compatibility define --- to be removed */
 #define v4l2_subdev_edid v4l2_edid