Revert "Gold/MIPS: Drop mips*le/mips*el* triple pattern"

This reverts commit adb3ae2eba78b4b84d7b94342f6774b250190a98.  It was
applied unapproved.
diff --git a/gold/configure.tgt b/gold/configure.tgt
index 8f0f21b..996bc90 100644
--- a/gold/configure.tgt
+++ b/gold/configure.tgt
@@ -153,7 +153,7 @@
  targ_big_endian=false
  targ_extra_big_endian=true
  ;;
-mips*el-*-*)
+mips*el*-*-*|mips*le*-*-*)
  targ_obj=mips
  targ_machine=EM_MIPS
  targ_size=32