sched: enable on ppc64le
sched: enable on ppc64le

This patch enables librte_sched in ppc64le.

Signed-off-by: Gowrishankar Muthukrishnan <b565c1cabbc104f9755b890159910f97e2efe01a@linux.vnet.ibm.com>
Acked-by: Chao Zhu <fb95c043d5fa3fcf28eb07d8ee8ac9e1289ed03b@linux.vnet.ibm.com>
Acked-by: Cristian Dumitrescu <25468b8a3698eeb3c368247f8635924bb4a1ce2c@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk