Revert "mmc: sdhci-xenon: fix annoying 1.8V regulator warning"

Revert "mmc: sdhci-xenon: fix annoying 1.8V regulator warning"

This reverts commit 0bc90c044f824acbb716692df33d68d941594716.

Commit b52e9d1ac63d ("mmc: sdhci-xenon: fix 1.8v regulator stabilization")
contains proper fix for the issue described in commit 0bc90c044f82 ("mmc:
sdhci-xenon: fix annoying 1.8V regulator warning").

Fixes: f84b7dc9bf9a ("mmc: sdhci-xenon: wait 5ms after set 1.8V signal enable")
Cc: stable@vger.kernel.org # b52e9d1ac63d ("mmc: sdhci-xenon: fix 1.8v regulator stabilization")
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Marcin Wojtas <mw@semihalf.com>
Link: https://lore.kernel.org/r/20220318141441.32329-1-pali@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>