Add poky-image-minimal-rt* image recipes. They are based on the minimal recipe
and add rt-tests for basic evaluation of a board with a PREEMPT_RT kernel.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Cc: Tom Zanussi <tom.zanussi@intel.com>
Cc: Bruce Ashfield <bruce.ashfield@windriver.com>