remove extra blank line at EOF

These source files all had unnecessary blank line at end of file.

Signed-off-by: Stephen Hemminger <[email protected]>

remove unnecessary null checks

Functions like free, rte_free, and rte_mempool_free
already handle NULL pointer so the checks here are not necessary.

Remove redundant NULL pointer checks before free

remove unnecessary null checks

Functions like free, rte_free, and rte_mempool_free
already handle NULL pointer so the checks here are not necessary.

Remove redundant NULL pointer checks before free functions
found by nullfree.cocci

Signed-off-by: Stephen Hemminger <[email protected]>

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regex/cn9k: use cnxk infrastructure

update driver to use the REE cnxk code
replace octeontx2/otx2 with cn9k

Signed-off-by: Liron Himi <[email protected]>
Acked-by: Jerin Jacob <[email protected]>