238f903e8d
The IORT generator is populating the reference field for Context and PMU interrupts even if their count is zero. Update the IORT generator to set the references only if the interrupt count is not 0. Also add checks to ensure a valid reference token has been provided. Signed-off-by: Sami Mujawar <sami.mujawar@arm.com> Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>