arm: dts: stm32mp157c-odyssey-som: enable all SDMMC2 data lanes

Add the “sdmmc2_d47_pins_d” pins to the SDMMC2 pinctrls. Increase the
bus width from four to eight.

Signed-off-by: Grzegorz Szymaszek <gszymaszek@short.pl>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
diff --git a/arch/arm/dts/stm32mp157c-odyssey-som.dtsi b/arch/arm/dts/stm32mp157c-odyssey-som.dtsi
index ed399c0..7323325 100644
--- a/arch/arm/dts/stm32mp157c-odyssey-som.dtsi
+++ b/arch/arm/dts/stm32mp157c-odyssey-som.dtsi
@@ -264,14 +264,14 @@
 
 &sdmmc2 {
 	pinctrl-names = "default", "opendrain", "sleep";
-	pinctrl-0 = <&sdmmc2_b4_pins_a>;
-	pinctrl-1 = <&sdmmc2_b4_od_pins_a>;
-	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>;
+	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_d>;
+	pinctrl-1 = <&sdmmc2_b4_od_pins_a &sdmmc2_d47_pins_d>;
+	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_d>;
 	non-removable;
 	no-sd;
 	no-sdio;
 	st,neg-edge;
-	bus-width = <4>;
+	bus-width = <8>;
 	vmmc-supply = <&v3v3>;
 	status = "okay";
 };