ARM: dts: at91: sama5d27_som1_ek: add the microchip,sdcal-inverted on sdmmc0

Specify the SoC SDCAL pin connection that is used in the
sama5d27c 128MiB SiP on the SAMA5D27 SOM1.
This will put in place a software workaround that would reduce power
consumption on all boards using this SoM, including the SAMA5D27 SOM1 EK.

Uses property introduced in 5cd41fe8 ("dt-bindings: sdhci-of-at91:
add the microchip,sdcal-inverted property")
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20191205113604.9000-1-nicolas.ferre@microchip.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

arch/arm/boot/dts/at91-sama5d27_som1.dtsi

@@ -24,6 +24,10 @@ main_xtal {
 	};
 
 	ahb {
+		sdmmc0: sdio-host@a0000000 {
+			microchip,sdcal-inverted;
+		};
+
 		apb {
 			qspi1: spi@f0024000 {
 				pinctrl-names = "default";