uek-rpm: Share specfile for both kernel-ueknano and kernel-uek

uek-rpm: Share specfile for both kernel-ueknano and kernel-uek

Orabug: 26521422

The kernel-ueknano is added as sub package in kernel-uek spec file to
create both the binary rpms from the same source. The list of modules to
be added to kernel-ueknano is passed as input to the spec file.

Signed-off-by: Somasundaram Krishnasamy <somasundaram.krishnasamy@oracle.com>
Reviewed By: Ashok Vairavan <ashok.vairavan@oracle.com>
Reviewed-By: Todd Vierling <todd.vierling@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Herbert van den Bergh <herbert.van.den.bergh@oracle.com>