323ead721e
Summary: The revised Book-E spec, adding the specification for the MMUv2 and e6500, includes a hardware PTE layout for indirect page tables. In order to support this in the future, migrate the PTE format to match the MMUv2 hardware PTE format. Test Plan: Boot tested on a P5020 board. Booted to multiuser mode. Differential Revision: https://reviews.freebsd.org/D5224