sim: mips/or1k: drop redundant arg to bitsize macro

These are just using the default behavior for the 3rd arg, so drop
it to make it more clear.  This also makes them match all other
ports that only use the first 2 arguments.

sim/mips/configure

@@ -1709,7 +1709,6 @@ esac
 #
 # Select the bitsize of the target
 #
-mips_addr_bitsize=
 case "${target}" in
   mips*-sde-elf*)       mips_bitsize=64 ; mips_msb=63 ;;
   mips*-mti-elf*)       mips_bitsize=64 ; mips_msb=63 ;;
@@ -1722,7 +1721,7 @@ case "${target}" in
 esac
 wire_word_bitsize="$mips_bitsize"
 wire_word_msb="$mips_msb"
-wire_address_bitsize="$mips_addr_bitsize"
+wire_address_bitsize=""
 wire_cell_bitsize=""
 # Check whether --enable-sim-bitsize was given.
 if test "${enable_sim_bitsize+set}" = set; then :

sim/mips/configure.ac

@@ -24,7 +24,6 @@ AC_SUBST(SIM_SUBTARGET)
 #
 # Select the bitsize of the target
 #
-mips_addr_bitsize=
 case "${target}" in
   mips*-sde-elf*)       mips_bitsize=64 ; mips_msb=63 ;;
   mips*-mti-elf*)       mips_bitsize=64 ; mips_msb=63 ;;
@@ -35,7 +34,7 @@ case "${target}" in
   mips*-*-*)            mips_bitsize=32 ; mips_msb=31 ;;
   *)                    mips_bitsize=64 ; mips_msb=63 ;;
 esac
-SIM_AC_OPTION_BITSIZE($mips_bitsize,$mips_msb,$mips_addr_bitsize)
+SIM_AC_OPTION_BITSIZE($mips_bitsize,$mips_msb)
 
 
 

sim/or1k/configure

@@ -1676,7 +1676,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 wire_word_bitsize="32"
 wire_word_msb="31"
-wire_address_bitsize="32"
+wire_address_bitsize=""
 wire_cell_bitsize=""
 # Check whether --enable-sim-bitsize was given.
 if test "${enable_sim_bitsize+set}" = set; then :

sim/or1k/configure.ac

@@ -2,6 +2,6 @@ dnl Process this file with autoconf to produce a configure script.
 AC_INIT(Makefile.in)
 AC_CONFIG_MACRO_DIRS([../m4 ../.. ../../config])
 
-SIM_AC_OPTION_BITSIZE([32], [31], [32])
+SIM_AC_OPTION_BITSIZE([32], [31])
 
 SIM_AC_OUTPUT