sw64: pcie: fix lack of PME and AER interrupt service routines

Sunway inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I56XUF



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On SW64 platform, we used to enable PME and AER interrupt by default,
however, there is a risk that no body cares the interrupt routine when
CONFIG_PCIE_PME=n or CONFIG_PCIEAER=n. So let's fix this problem.

Signed-off-by: Xu Chenjiao <xuchenjiao@wxiat.com>

Signed-off-by: Gu Zitao <guzitao@wxiat.com>