ariane_pkg: reduce REG_ADDR_SIZE if renaming is disabled

Signed-off-by: Alban Gruin <alban.gruin@irit.fr>

include/ariane_pkg.sv

@@ -219,7 +219,7 @@ package ariane_pkg;
                                      | ((riscv::XLEN == 64 ? 2 : 1) << riscv::XLEN-2);  // MXL
 
     // 32 registers + 1 bit for re-naming = 6
-    localparam REG_ADDR_SIZE = 6;
+    localparam REG_ADDR_SIZE = (ENABLE_RENAME) ? 6 : 5;
     localparam NR_WB_PORTS = 5;
 
     // static debug hartinfo