[PATCH] Fix PXA-27x/3xx interrupts when CONFIG_PXA_HAVE_ISA_IRQS=y

[Eric Miao]

>> CONFIG_PXA_HAVE_ISA_IRQS is used on some platforms which emulates
>> ISA expansion slots so some legacy ISA cards can still be used on pxa
>> platforms, not necessarily related to pxa25x, could be pxa27x and pxa3xx.
>> We need to take a look into the patch indeed.
>>
>
> I'm OK on this patch. It works well on my platform.
>

So Marc,

Could you please check without that #ifdef .. #endif it still works fine
since my assmption is PXA_IRQ() has taken that into account.