tests/kms_color: Rename pipe tests to standard notation

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com> #irc
Acked-by: Acked-by: Marta Lofstedt <marta.lofstedt@intel.com> #irc
1 file changed