Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 522893397d8b07126ab66cbe11a84c798f11643f
  - Merge "Fix spelling of ToastrNotificationService declaration"
  - Fix spelling of ToastrNotificationService declaration

    All references use "ToastrNotificationService" spelling instead of
    "ToasterNotificationService". E.g. in:
    * app.module.ts line #36
    * data.service.spec.ts line #30
    * details.component.spec.ts line #35
    * home.component.spec.ts line #36
    * http-error-handler.service.spec.ts line #26

    Coverity-scan: CID-218328
    Issue-ID: SO-2211
    Signed-off-by: Artem Naluzhnyy <A.Naluzhnyy@samsung.com>
    Change-Id: I8e6bf72450e3c5fe938f53103bea505f2a2aad51