The commit 39dd329a019b ("mem-buf-msgq: Support multiple msgqs")
mandates to have 'msgq-names' property in node 'mem-buf-msgq'.
Adding default msgq entry to fix probe failure.
Change-Id: I9dc802604cabff1b808c08302e1b77bf61fd7b3f
Signed-off-by: Srinivasarao Pathipati <quic_c_spathi@quicinc.com>