mmc: mmci: Add support for sdmmc variant revision v2.2

The change is only hardware, and does not need driver change:
Added hardware flow control during transmit packet with variable delay.
The new id is then added to the ids list structure.
Signed-off-by: NYann Gautier <yann.gautier@foss.st.com>
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211215141727.4901-2-yann.gautier@foss.st.comSigned-off-by: NUlf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/mmci.c

@@ -2435,6 +2435,11 @@ static const struct amba_id mmci_ids[] = {
 		.mask	= 0xf0ffffff,
 		.data	= &variant_stm32_sdmmcv2,
 	},
+	{
+		.id     = 0x20253180,
+		.mask	= 0xf0ffffff,
+		.data	= &variant_stm32_sdmmcv2,
+	},
 	/* Qualcomm variants */
 	{
 		.id     = 0x00051180,