The PLIC's memory map isn't actually specified by the RISC-V ISA manual,
so this shouldn't have an official-looking compat string.  There have
been extensive discussions about this on the Linux mailing lists

    https://lore.kernel.org/lkml/CAL_JsqLpM=UG_9aL8CquhP8SajVav5in7RJRDk9tDd=QrTdVFw@mail.gmail.com/T/#mdbed7f79ba90c1ef7536ae792e8cf62a1fd4d9a0



Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

removed BuildCore because of deprecated usage and straight up calls c…

Continued tweaks to how bus coupler ports get names

`organization` for sbt has the same meaning for `groupid` in maven.
The naming rule is stated [here](https://maven.apache.org/guides/mini/guide-naming-conventions.html)

Adding Seq for opcode and param translation in TLMessages

Add a clock divider with explicit input clock

tile: boundary buffers ended up in wrong scope

Revamped Register Router

new API target for collapsing IO peripherals into a single trait

Refactor TLBusWrapper and CrossingHelper