mmc: sdhci-pci: disable preset register for Baytrail and Merrifield

Due to HW issue, SDHCI host controller on Intel
Baytrail/Merrifield platforms can not use preset
register. So, disable preset registers for them by quirks.

Signed-off-by: Yunpeng Gao <yunpeng.gao@intel.com>
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>