ARM: sa1111: map interrupt numbers through irqdomain

Map the interrupt numbers for SA1111 through the SA1111 IRQ domain
rather than doing our own translation.  This allows us to eliminate
the irq_base sachip member.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

arch/arm/include/asm/hardware/sa1111.h

@@ -390,7 +390,7 @@ struct sa1111_dev {
 	struct resource	res;
 	void __iomem	*mapbase;
 	unsigned int	skpcr_mask;
-	unsigned int	irq[6];
+	unsigned int	hwirq[6];
 	u64		dma_mask;
 };