media: rkisp1: rkisp1-params.c: Fix typos

s/when the camera active/when the camera is active/
s/thus not isr protection/therefore there is no need to acquire a lock/

Signed-off-by: Sebastian Fricke <sebastian.fricke@posteo.net>
Reviewed-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>