mmc: meson-gx: enable signal re-sampling together with tuning

card detection fails on "BeeLink Mini M8 SII" if enabled too early
mmc1: error -110 whilst initialising MMC card

Fixes: 71645e65

 ("mmc: meson-gx: add signal resampling")
Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Tested-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>