irqchip/gic-v3: revert f0e6010dc18b ("irqchip/gic-v3: fix system hang caused by ftrace")

hulk inclusion
category: bugfix
bugzilla: 12844
CVE: NA

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Revert f0e6010dc18b ("irqchip/gic-v3: fix system hang caused by
ftrace"), which is a walkaround before, to prepare for the formal fix.

Signed-off-by: Wei Li <liwei391@huawei.com>
Reviewed-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>