mmc: zynq_sdhci: use correct quirk if CONFIG_ZYNQ_HISPD_BROKEN is defined

The 'SDHCI_QUIRK_NO_HISPD_BIT' is used wrong here. The purpose of this
quirk is to tell the sdhci-driver that the IP-core doesn't have a "high-
speed-enable" bit in its registers.

With this commit we change this to the correct quirk:
SDHCI_QUIRK_BROKEN_HISPD_MODE

Signed-off-by: Hannes Schmelzer <hannes.schmelzer@br-automation.com>