nds32: dts: AG101P support sd High-Speed mode

Enable High-Speed mode with cap-sd-highspeed in dts

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>

arch/nds32/dts/ag101p.dts

@@ -67,5 +67,6 @@
 		fifo-depth = <0x10>;
 		reg = <0x98e00000 0x1000>;
 		interrupts = <5 4>;
+		cap-sd-highspeed;
 	};
 };