Add the target system linux-m68k

Configure

@@ -276,6 +276,7 @@ my %table=(
 "linux-aout",	"gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -m486 -Wall::(unknown)::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_out_asm}",
 "linux-mips",   "gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::(unknown)::BN_LLONG:::",
 "linux-ppc",    "gcc:-DB_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::BN_LLONG::",
+"linux-m68k",   "gcc:-DB_ENDIAN -DTERMIO -O2 -fomit-frame-pointer -Wall::-D_REENTRANT::BN_LLONG::",
 "linux-ia64",   "gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::(unknown)::SIXTY_FOUR_BIT_LONG::",
 "NetBSD-sparc",	"gcc:-DTERMIOS -O3 -fomit-frame-pointer -mv8 -Wall -DB_ENDIAN::(unknown)::BN_LLONG MD2_CHAR RC4_INDEX DES_UNROLL:::",
 "NetBSD-m68",	"gcc:-DTERMIOS -O3 -fomit-frame-pointer -Wall -DB_ENDIAN::(unknown)::BN_LLONG MD2_CHAR RC4_INDEX DES_UNROLL:::",

config

@@ -409,6 +409,7 @@ case "$GUESSOS" in
 	;;
   mips-*-linux?) OUT="linux-mips" ;;
   ppc-*-linux2) OUT="linux-ppc" ;;
+  m68k-*-linux*) OUT="linux-m68k" ;;
   ia64-*-linux?) OUT="linux-ia64" ;;
   ppc-apple-rhapsody) OUT="rhapsody-ppc-cc" ;;
   sparc64-*-linux2)