tidsp: h264enc: move I frame interval to right place
tidsp: h264enc: move I frame interval to right place

This is probably what we wanted although it doesn't make any difference
right now since it's always 0.

Signed-off-by: Felipe Contreras <de77a8b9cd239b204c19c52ed62e48ab47243362@nokia.com>

community-ssu/gst-dsp,felipec/gst-dsp,community-ssu/gst-dsp,community-ssu/gst-dsp,felipec/gst-dsp