om2k: Use the "from config" TS config to setup OM objects

During the configuration of the TS object through OML we must use
pchan_from_config since it's too early to use anything else.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Change-Id: Iecdc911a79b66d8f3d746347710ad697cb288174
1 file changed