irqchip/gic-v4.1: Extend VSGI command to support the new vPPI

virt inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8K89F


CVE: NA

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In HiSilicon implementation, we reuse the *VSGI* command to set the
configuration of a specified vPPI and optionally clear its pending
state. A bit odd, but keeping the smallest change in HW level is safe.

The vINTID field has been therefore extended to [36:32], carefully
encode it to respect the new requirement. Note that _only_ vtimer
interrupt is supported at the moment!

Signed-off-by: wanghaibin <wanghaibin.wang@huawei.com>
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
Signed-off-by: Dongxu Sun <sundongxu3@huawei.com>