event/octeontx: add stop and close functions
event/octeontx: add stop and close functions

Signed-off-by: Jerin Jacob <5bca7d2a432bc0f5422b70b2701a4e4fa32edd00@caviumnetworks.com>
Signed-off-by: Santosh Shukla <23b682afe3504ae4f88c66c3cabfb34f87e9916e@caviumnetworks.com>
Acked-by: Gage Eads <40e74f4682b7928915cbf15b25c304eff85f59a4@intel.com>

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