FreeBSD_HEAD_i386 - Build #2496 - Fixed

FreeBSD_HEAD_i386 - Build #2496 - Fixed:

Build information: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_i386/2496/
Full change log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_i386/2496/changes
Full build log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_i386/2496/console

Change summaries:

296331 by jhibbits:
Let rman_init() initialize the default rman range.

If rm_start and rm_end are both 0 on input to rman_init(), rman_init()
pre-initializes them to the default range.  No need to set it before.

296330 by jhibbits:
Another convert to bus_alloc_resource_anywhere().

Depending on how cbus hands out resources, this could actually be
bus_alloc_resource_any() instead.

296329 by jhibbits:
Allocate the PCI BAR resource with bus_alloc_resource_any()

We don't support allocating any other range with PCI BARs.