kernel: Use DEVMETHOD_END in the drivers.

resource: Per-CPU hardware resources support, step 3 of many

- Add cpuid parameter to bus_set_resource() and bus_set_resource
DEVMETHOD; Pass this parameter to resource_list_add()
- Obtain interru

resource: Per-CPU hardware resources support, step 3 of many

- Add cpuid parameter to bus_set_resource() and bus_set_resource
DEVMETHOD; Pass this parameter to resource_list_add()
- Obtain interrupt resource's owner CPU, i.e. target CPU, from
MachIntrABI and pass it to bus_set_resource(), so that the owner
CPU of the interrupt resource could be correctly setup
- Rest of types of resources, e.g. IOPORT, MEMORY and DRQ, are
shared across CPUs, so their cpuids are set to -1

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kernel: Use NULL for DRIVER_MODULE()'s evh & arg (which are pointers).

This is just cosmetics for easier reading.

Sync amdpm(4) with FreeBSD (and bring in amdsmb(4)).

iicbus: Bring us closer to FreeBSD.

This is work in progress and I commit it so Dave Shao's Summer of Code
project can proceed.

Further commits will follow.

Taken-from: FreeBSD