misc: rtsx: Fix PAD driving for RTS5261

This patch fix PAD driving for RTS5261

Signed-off-by: Rui Feng <rui_feng@realsil.com.cn>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1604397291-2885-1-git-send-email-rui_feng@realsil.com.cn


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