Quoting Judy Hsiao (2021-05-31 19:21:17) > Adds label for MI2S secondary block to allow follower projects to override > for the four speaker support which uses I2S SD1 line on gpio52 pin. > > Signed-off-by: Judy Hsiao <judyhsiao at chromium.org> > --- Reviewed-by: Stephen Boyd <swboyd at chromium.org>