media: staging: rkisp1: uapi: Do not use BIT() macro

The BIT() macro is not available to uAPI headers, replace the few usages
of it by open coding it.

Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Acked-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>