spi: imx: Remove unneeded probe message

There is no point in printing a plain "probed" message on successful probe.

Just remove it and make the kernel log a bit less noisy.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20200819123330.22880-1-festevam@gmail.com


Signed-off-by: Mark Brown <broonie@kernel.org>