common/octeontx2: upgrade mbox definition to version 9
common/octeontx2: upgrade mbox definition to version 9

Update mail box data structures to sync with af driver mbox
changes done to retrieve VF's base steering rule.

Signed-off-by: Nithin Dabilpuram <5876e1d9ac41f57357c508f9123b8d030ff3606b@marvell.com>
Signed-off-by: Harman Kalra <568a3484dfecf16d6b30cd214c570848bb408570@marvell.com>

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