mempool/octeontx: support memory area ops
mempool/octeontx: support memory area ops

Add support for register_memory_area ops in mempool driver.

Allow more than one HW pool when using OcteonTx mempool driver:
By storing each pool information to the list and find appropriate
list element by matching the rte_mempool pointers.

Signed-off-by: Santosh Shukla <23b682afe3504ae4f88c66c3cabfb34f87e9916e@caviumnetworks.com>
Signed-off-by: Jerin Jacob <5bca7d2a432bc0f5422b70b2701a4e4fa32edd00@caviumnetworks.com>

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