Solaris support for multiple PCI segments (domains)

1. Removed hardcoded maximum size of 256 PCI devices, which is
too small for large systems. The number of devices is dynamically
resized as neede

Solaris support for multiple PCI segments (domains)

1. Removed hardcoded maximum size of 256 PCI devices, which is
too small for large systems. The number of devices is dynamically
resized as needed.

2. pci_device_solx_devfs_probe() no longer walks the device tree
from the very top ("/") but instead starts at the nexus which
owns the bus. Performance optimization for systems with multiple
bus nodes (including systems with just one segment/domain).

3. Added support for multiple domains/segments. Code tested
on kernels with and without multiple segment support so it should
be safe to integrate independent of the kernel version.

Signed-off-by: John Martin <[email protected]>
Signed-off-by: Alan Coopersmith <[email protected]>
Reviewed-by: Adam Jackson <[email protected]>

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Sun's copyrights belong to Oracle now

Signed-off-by: Alan Coopersmith <[email protected]>

COPYING: add Red Hat's copyright notice

Update Sun license notices to current X.Org standard form

Signed-off-by: Alan Coopersmith <[email protected]>

Resync COPYING file with code copyright notices

Signed-off-by: Alan Coopersmith <[email protected]>

Update COPYING with the rest of the copyright/license notices from the code

Correct Sun license notice

Initial import of libpciaccess.