common/cnxk: add missing checks of return values

common/cnxk: add missing checks of return values

This patch fixes coverity issue by adding checks on return values.

Coverity issue: 373628, 374858, 370213, 370215
Fixes: af75aac78978 ("common/cnxk: support telemetry for NIX")
Fixes: d61138d4f0e2 ("drivers: remove direct access to interrupt handle")
Fixes: fcdef46b6698 ("common/cnxk: support NIX TM debug and misc utils")
Fixes: df405df95eeb ("common/cnxk: add NIX TM helper to alloc/free resource")
Cc: stable@dpdk.org
Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>