mmc: sdhci-pci-o2micro: add Bayhub new chip GG8 support for express card

Add Bayhub new chip GG8 support for SD express card.
This patch depends on patch 1/2.

Signed-off-by: Chevron Li <chevron.li@bayhubtech.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20230811033517.11532-2-chevron_li@126.com


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