qcacmn: Address review comments for activation cb reason change

There were minor review comments for the change
for adding activation reason also to activation sb
which was not addressed in the changeset
since it had all the necessaary approvals and it
was in path for merge.

Addressed all the comments as part of this change.

Change-Id: I8035adf2dce152e60eef1494aa7f100c2d567f41
CRs-Fixed: 2361327
2 files changed