igc: Fix output values case

This patch changes the output values to be lowercase and replaces
"True"/"False" by "yes"/"no" so the output from the IGC driver is
consistent with other Intel drivers.

Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
1 file changed