!1095 irqchip: gic-v3: Collection table support muti pages

Merge Pull Request from: @zhangjialin11 
 
Only one page is allocated to the collection table.
Recalculate the page number of collection table based on the number of CPUs. 
 
Link:https://gitee.com/openeuler/kernel/pulls/1095

 

Reviewed-by: Zheng Zengkai <zhengzengkai@huawei.com>