[PATCH] MSI broke voyager build

The x86 build depends on NR_VECTORS being defined. 

This symbol, however, was put only into mach-default/irq_vectors.h

The attached patch adds it to voyager too.

include/asm-i386/mach-voyager/irq_vectors.h

@@ -55,6 +55,7 @@
 #define VIC_CPU_BOOT_CPI		VIC_CPI_LEVEL0
 #define VIC_CPU_BOOT_ERRATA_CPI		(VIC_CPI_LEVEL0 + 8)
 
+#define NR_VECTORS 256
 #define NR_IRQS 224
 #define NR_IRQ_VECTORS NR_IRQS