armv8: ls2080ardb: invert irq pins polarity for AQR405 PHY

To use AQR405 PHY's interrupt, we need to invert the relative IRQ pins
polarity by setting IRQCR register, because AQR405 interrupt is low
active but GIC accepts high active.

Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/include/configs/ls2080ardb.h b/include/configs/ls2080ardb.h
index b2c0181..14635b7 100644
--- a/include/configs/ls2080ardb.h
+++ b/include/configs/ls2080ardb.h
@@ -355,6 +355,7 @@
 #define AQ_PHY_ADDR2		0x01
 #define AQ_PHY_ADDR3		0x02
 #define AQ_PHY_ADDR4		0x03
+#define AQR405_IRQ_MASK		0x36
 
 #define CONFIG_MII
 #define CONFIG_ETHPRIME		"DPNI1"