V4L/DVB (6797): bt8xx/ section fixes

This patch fixes the following section mismatch with CONFIG_HOTPLUG=n:

<--  snip  -->

...
...

<--  snip  -->

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>