nightly-qa-skeleton.conf: add hello-mod
nightly-qa-skeleton.conf: add hello-mod

[YOCTO #6871]

Add hello-mod to nightly-qa-skeleton.conf

Signed-off-by: Beth Flanagan <86e3219095765dcc0f6f42aef4bd43803a05b796@intel.com>

denny820909/builder,denny820909/builder,denny820909/builder,denny820909/builder