MIPS: Fix cross-tools build.

Signed-off-by: Augustin Cavalier <waddlesplash@gmail.com>

gcc/gcc/config.gcc

@@ -1841,6 +1841,11 @@ mips*-mti-linux*)
 	gas=yes
 	test x$with_llsc != x || with_llsc=yes
 	;;
+mipsel-*-haiku*)
+	target_cpu_default="MASK_ABICALLS"
+	tm_file="elfos.h ${tm_file} haiku.h mips/haiku.h"
+	tmake_file="${tmake_file} mips/t-elf t-haiku"
+	;;
 mips64*-*-linux* | mipsisa64*-*-linux*)
 	tm_file="dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h ${tm_file} mips/gnu-user.h mips/gnu-user64.h mips/linux64.h mips/linux-common.h"
 	tmake_file="${tmake_file} mips/t-linux64"

gcc/gcc/config.host

@@ -126,9 +126,10 @@ case ${host} in
 	;;
     esac
     ;;
-  mips*-*-linux*)
+  mips*-*-linux* \
+  | mips*-*-haiku* )
     case ${target} in
-      mips*-*-linux*)
+      mips*-*-* )
 	host_extra_gcc_objs="driver-native.o"
 	host_xmake_file="${host_xmake_file} mips/x-native"
     ;;

gcc/libgcc/config.host

@@ -767,6 +767,8 @@ mips*-sde-elf*)
 	esac
 	extra_parts="$extra_parts crti.o crtn.o"
 	;;
+mipsel-*-haiku*)
+	;;
 mipsisa32-*-elf* | mipsisa32el-*-elf* | \
 mipsisa32r2-*-elf* | mipsisa32r2el-*-elf* | \
 mipsisa64-*-elf* | mipsisa64el-*-elf* | \