linux-phytec-ti

remoteproc/omap: add a trace to print missing alias ids

The alias ids for OMAP remoteprocs are required by some
rpmsg client drivers to identify a remote processor in
a fixed manner to userspace. Add a trace during probe
to warn developers if the alias id is not defined for a
remoteproc DT node.

Signed-off-by: Suman Anna <s-anna@ti.com>