[SO] Fix indentation in so-nssmf-adapter

As helm 3 verifies yaml correctnes this indent issue prevents us from
deploying onap using helm v3.

Issue-ID: OOM-2562
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Change-Id: I1910659e8abb58228e0c684fad0ae7a491d99fad
1 file changed