[media] cx231xx: Fix the max number of interfaces

The max number of interfaces was read from the wrong descriptor.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2014-07-27 16:27:27 -03:00
commit 139d28826b