[Ibex] Expose PMP-related parameters in wrapper

PMP is disabled currently (which is the default), but still expose the
parmaeters to have the ability to tune things in the future, and keep a
consistent interface with Ibex.
diff --git a/hw/ip/rv_core_ibex/rtl/rv_core_ibex.sv b/hw/ip/rv_core_ibex/rtl/rv_core_ibex.sv
index 4845102..e21c534 100644
--- a/hw/ip/rv_core_ibex/rtl/rv_core_ibex.sv
+++ b/hw/ip/rv_core_ibex/rtl/rv_core_ibex.sv
@@ -9,6 +9,9 @@
  * Instruction and data bus are 32 bit wide TileLink-UL (TL-UL).
  */
 module rv_core_ibex #(
+  parameter bit          PMPEnable        = 1'b0,
+  parameter int unsigned PMPGranularity   = 0,
+  parameter int unsigned PMPNumRegions    = 4,
   parameter int unsigned MHPMCounterNum   = 8,
   parameter int unsigned MHPMCounterWidth = 40,
   parameter bit RV32E                     = 0,
@@ -106,6 +109,9 @@
 `endif
 
   ibex_core #(
+     .PMPEnable        ( PMPEnable         ),
+     .PMPGranularity   ( PMPGranularity    ),
+     .PMPNumRegions    ( PMPNumRegions     ),
      .MHPMCounterNum   ( MHPMCounterNum    ),
      .MHPMCounterWidth ( MHPMCounterWidth  ),
      .RV32E            ( RV32E             ),
diff --git a/hw/top_earlgrey/doc/top_earlgrey.tpl.sv b/hw/top_earlgrey/doc/top_earlgrey.tpl.sv
index 9b146cd..1b19373 100644
--- a/hw/top_earlgrey/doc/top_earlgrey.tpl.sv
+++ b/hw/top_earlgrey/doc/top_earlgrey.tpl.sv
@@ -134,6 +134,9 @@
 
   // processor core
   rv_core_ibex #(
+    .PMPEnable           (0),
+    .PMPGranularity      (0),
+    .PMPNumRegions       (4),
     .MHPMCounterNum      (8),
     .MHPMCounterWidth    (40),
     .RV32E               (0),
diff --git a/hw/top_earlgrey/rtl/top_earlgrey.sv b/hw/top_earlgrey/rtl/top_earlgrey.sv
index ac5dda5..0f6eea6 100644
--- a/hw/top_earlgrey/rtl/top_earlgrey.sv
+++ b/hw/top_earlgrey/rtl/top_earlgrey.sv
@@ -138,6 +138,9 @@
 
   // processor core
   rv_core_ibex #(
+    .PMPEnable           (0),
+    .PMPGranularity      (0),
+    .PMPNumRegions       (4),
     .MHPMCounterNum      (8),
     .MHPMCounterWidth    (40),
     .RV32E               (0),