[cheriot,rtl] Integrate TRVK into rv_core_ibex

[thommythomaso]

This PR integrates an Ibex featuring a CHERIoT revokation filter (TRVK) into OpenTitan. Alongside the IP in Ibex, it exposes and ties-off the CHERIoT-specific ports in rv_core_ibex.

[andreaskurth]

LGTM, thanks @thommythomaso!

[andreaskurth]

CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_cheriot_pkg.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_compressed_decoder.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_controller.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_core.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_id_stage.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_if_stage.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_pkg.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_top.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_top_tracing.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_trvk.sv

Vendoring update of Ibex, adding the CHERIoT TRVK module.

CHANGE AUTHORIZED: hw/top_earlgrey/ip_autogen/rv_core_ibex/rtl/rv_core_ibex.sv

Re-rendered template output; currently inert (BaseIsa is hard-coded to ibex_pkg::BaseIsaRV32I, so the TRVK filter is not instantiated).

CHANGE AUTHORIZED: BLOCKFILE

Adding hw/vendor/pulp_common_cells/rtl/* to the vendored-IP section.

[SamuelRiedel]

LGTM. I rebased the CHERIoT-capable core on this without any issues.

[vogelpi]

CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_cheriot_pkg.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_compressed_decoder.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_controller.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_core.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_id_stage.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_if_stage.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_pkg.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_top.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_top_tracing.sv
CHANGE AUTHORIZED: hw/vendor/lowrisc_ibex/rtl/ibex_trvk.sv

Vendoring update of Ibex, adding the CHERIoT TRVK module.

CHANGE AUTHORIZED: hw/top_earlgrey/ip_autogen/rv_core_ibex/rtl/rv_core_ibex.sv

Re-rendered template output; currently inert (BaseIsa is hard-coded to ibex_pkg::BaseIsaRV32I, so the TRVK filter is not instantiated).

CHANGE AUTHORIZED: BLOCKFILE

Adding hw/vendor/pulp_common_cells/rtl/* to the vendored-IP section.