ASoC: qdsp6: q6routing: off by one in routing_hw_params()

The data->port_data[] array has AFE_MAX_PORTS elements so the check
should be >= instead of > or we write one element beyond the end of the
array.

Fixes: e3a33673 ("ASoC: qdsp6: q6routing: Add q6routing driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Brown <broonie@kernel.org>