remove unneeded includes; ok mpi@

whitespace

add missing splx in error path

from Christian Ludwig

Increase rx buffer size to 62kB (same as linux). It turns out the device
doesn't fit packets into the host's rx buffer until it's full, it keeps
going as long as it has space in its own receive buff

Increase rx buffer size to 62kB (same as linux). It turns out the device
doesn't fit packets into the host's rx buffer until it's full, it keeps
going as long as it has space in its own receive buffer, and then
truncates to fit the usb transfer. The packet descriptors are at the end,
so this means losing all the packets in the buffer. At 32kB, it's fairly
easy to overrun, but 62kB seems fine.

tested by and ok mlarkin@

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Fix up handling of IFF_ALLMULTI and call uaq_iff() from uaq_init().

from Brad

Add uaq(4), a driver for Aquantia AQC111U/AQC112U USB ethernet devices.

hardware provided by Brad
tested with modest success by mlarkin@, kevlo@ and Brad
ok kevlo@