event/octeontx2: relax memory requirement for timers
event/octeontx2: relax memory requirement for timers

Relax memory requirement for event timers when internal mempool used is
octeontx2 mempool.
Add debug log to print the memory used.

Signed-off-by: Pavan Nikhilesh <8184a94f8f7778086ea0697cdb513b2e42813b09@marvell.com>

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