PCI: Support more than 6 PCI memory ranges.

Also use the standard kernel-wide constants for IO or memory space
rather than defining new ones, as well as the PCI constants for
address types.

Change-Id: Iad03f7666ad5121a5c9a398339aa1a191339a1d1
Reviewed-on: https://review.haiku-os.org/c/haiku/+/7336
Reviewed-by: waddlesplash <waddlesplash@gmail.com>

busses/pci/ecam: add

Change-Id: I8decef75a2d7f30bb5d45fc4774037d6a92bc161
Reviewed-on: https://review.haiku-os.org/c/haiku/+/6223
Reviewed-by: waddlesplash <waddlesplash@gmail.com>
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>