kernel: r8125: disable ASPM

kernel: r8125: disable ASPM

Disable ASPM support for this NIC, fixing strange behavior problems, such as
increased latency, strange uneven throughput, etc.
With this option disabled the NIC achieves stable performance.
Upsteam r8169 driver disables ASPM by default for this NIC.

Signed-off-by: Pavel Kubelun <be.dissent@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/18509
[bump release, fix commit description, split 2nd tx queue part]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>