mmc: matsushita-common: Add Renesas RCar quirks

Add a quirk to identify that the controller is Renesas RCar variant
of the Matsushita SD IP and another quirk indicating it can support
Renesas RCar HS200/HS400/SDR104 modes.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/drivers/mmc/matsushita-common.h b/drivers/mmc/matsushita-common.h
index a03d8f9..c23dc1a 100644
--- a/drivers/mmc/matsushita-common.h
+++ b/drivers/mmc/matsushita-common.h
@@ -124,6 +124,11 @@
 #define MATSU_SD_CAP_DIV1024		BIT(2)	/* divisor 1024 is available */
 #define MATSU_SD_CAP_64BIT		BIT(3)	/* Controller is 64bit */
 #define MATSU_SD_CAP_16BIT		BIT(4)	/* Controller is 16bit */
+#define MATSU_SD_CAP_RCAR_GEN2		BIT(5)	/* Renesas RCar version of IP */
+#define MATSU_SD_CAP_RCAR_GEN3		BIT(6)	/* Renesas RCar version of IP */
+#define MATSU_SD_CAP_RCAR_UHS		BIT(7)	/* Renesas RCar UHS/SDR modes */
+#define MATSU_SD_CAP_RCAR		\
+	(MATSU_SD_CAP_RCAR_GEN2 | MATSU_SD_CAP_RCAR_GEN3)
 };
 
 int matsu_sd_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,