ARM: dts: at91: sama5d2: add seq for qspi1

qspi1 does not have an alias/seq number. This is required for
SPL default SF bus booting for the boards that have this SoC

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
diff --git a/arch/arm/dts/sama5d2.dtsi b/arch/arm/dts/sama5d2.dtsi
index 830251a..5adc47b 100644
--- a/arch/arm/dts/sama5d2.dtsi
+++ b/arch/arm/dts/sama5d2.dtsi
@@ -7,6 +7,7 @@
 	aliases {
 		spi0 = &spi0;
 		spi1 = &qspi0;
+		spi2 = &qspi1;
 		i2c0 = &i2c0;
 		i2c1 = &i2c1;
 	};