Add mkspec for the Trident's Shiner platform to be used in conjunction
with the -device support in configure. This allows you to build Qt
Change-Id: I68d8e8eb78f073e98f72207e9c5de6a0da0ed35d
Reviewed-by: Girish Ramakrishnan <girish.1.ramakrishnan@nokia.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>