[clang] [Clang][MIPS] Send correct architecture for MinGW toolchains (PR #121042)

[YunQiang Su via cfe-commits]

================
@@ -85,6 +85,10 @@
 // RUN:   | FileCheck %s --check-prefix CHECK_MINGW_EC_LINK
 // CHECK_MINGW_EC_LINK: "-m" "arm64ecpe"
 
+// RUN: %clang --target=mipsel-windows-gnu -### -o /dev/null %s 2>&1 \
+// RUN:   | FileCheck %s --check-prefix CHECK_MINGW_MIPSPE
+// CHECK_MINGW_MIPSPE: "-m" "mipspe"
----------------
wzssyqa wrote:

Is it supported by binutils now?

https://github.com/llvm/llvm-project/pull/121042