ARM: dts: at91: sam9x7: Fix the size cells warnings

Modify the correct #size cells property to zero from one which
fixes all the dtb compilation warnings in the sam9x75eb and
sam9x75_curiosity boards.

Fixes: dcebec2 ("ARM: dts: at91: sam9x7: Add QSPI node")
Signed-off-by: Durai Manickam KR <durai.manickamkr@microchip.com>

Author: duraikvddp

arch/arm/boot/dts/sam9x7.dtsi

@@ -318,7 +318,7 @@
 		qspi: spi@f0014000 {
 			compatible = "microchip,sam9x7-ospi";
 			#address-cells = <1>;
-			#size-cells = <1>;
+			#size-cells = <0>;
 			reg = <0xf0014000 0x100>, <0x60000000 0x20000000>;
 			reg-names = "qspi_base", "qspi_mmap";
 			interrupts = <35 IRQ_TYPE_LEVEL_HIGH 7>;