linux-phytec-fsl

[media] MAINTAINERS: Add c8sectpfe driver directory to STi section

Add the new c8sectpfe demux driver to the STi section of the
MAINTAINERS file.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>