media: atomisp: Simplify some if (IS_ISP2401...) statements

Replace:

 if (!IS_ISP2401 || (IS_ISP2401 && xxx))

with:

 if (!IS_ISP2401 || xxx)

If the right side of the '||' needs to be evaluated then it is
already known that IS_ISP2401 is true, so no need to check for it.

Link: https://lore.kernel.org/r/20230812104612.38806-1-hdegoede@redhat.com



Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>