mmc: davinci_mmc: report all possible bus widths

A dev_info() at probe's end() report the supported bus width. It never
reports 8-bits width while the driver can handle it.

Update the info message at then end of the probe to report the use of
8-bits data when needed.

Signed-off-by: Bastien Curutchet <bastien.curutchet@bootlin.com>
Link: https://lore.kernel.org/r/20240711081838.47256-3-bastien.curutchet@bootlin.com


Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>