mmc: versal2: Update zynq_sdhci driver to support AMD Versal Gen 2

Enable tap delay programming for new SoC and also enable it via defconfig.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/f07daded9704cbc393657b65a28933c34a8cec25.1716994063.git.michal.simek@amd.com
diff --git a/configs/amd_versal2_virt_defconfig b/configs/amd_versal2_virt_defconfig
index 8ef86f1..b74e69b 100644
--- a/configs/amd_versal2_virt_defconfig
+++ b/configs/amd_versal2_virt_defconfig
@@ -87,6 +87,8 @@
 CONFIG_MMC_UHS_SUPPORT=y
 CONFIG_MMC_HS400_SUPPORT=y
 CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_ZYNQ=y
+CONFIG_ZYNQ_SDHCI_MIN_FREQ=100000
 CONFIG_MTD=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH_GIGADEVICE=y