Cirrus CI for msys2 are working now, but still buiding failed

[Yonggang Luo]

https://cirrus-ci.com/task/6375504892657664

failed with:

```

Compiling C object libqemu-s390x-softmmu.fa.p/meson-generated_.._trace_generated-helpers.c.obj
Compiling C object libqemu-s390x-softmmu.fa.p/meson-generated_.._qapi_qapi-events.c.obj
Compiling C object libqemu-s390x-softmmu.fa.p/meson-generated_.._qapi_qapi-emit-events.c.obj
Linking static target libblock.fa
Linking target qemu-system-aarch64.exe
Linking target qemu-system-aarch64w.exe
Linking target qemu-system-alpha.exe
Linking target qemu-system-alphaw.exe
Linking target qemu-system-arm.exe
Linking target qemu-system-armw.exe
Linking target qemu-system-avr.exe
Linking target qemu-system-avrw.exe
C:/tools/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lfdt
C:/tools/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lfdt
C:/tools/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lfdt
C:/tools/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lfdt
collect2.exe: error: ld returned 1 exit status
collect2.exe: error: ld returned 1 exit status
collect2.exe: error: ld returned 1 exit status
collect2.exe: error: ld returned 1 exit status
make: *** [Makefile.ninja:2258: qemu-system-avr.exe] Error 1
make: *** Waiting for unfinished jobs....
make: *** [Makefile.ninja:1970: qemu-system-alpha.exe] Error 1
make: *** [Makefile.ninja:2260: qemu-system-avrw.exe] Error 1
make: *** [Makefile.ninja:1972: qemu-system-alphaw.exe] Error 1
C:/tools/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lfdt
C:/tools/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lfdt
C:/tools/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lfdt
C:/tools/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lfdt
collect2.exe: error: ld returned 1 exit status
collect2.exe: error: ld returned 1 exit status
make: *** [Makefile.ninja:2184: qemu-system-armw.exe] Error 1
make: *** [Makefile.ninja:2182: qemu-system-arm.exe] Error 1
collect2.exe: error: ld returned 1 exit status
make: *** [Makefile.ninja:1875: qemu-system-aarch64.exe] Error 1
collect2.exe: error: ld returned 1 exit status
make: *** [Makefile.ninja:1877: qemu-system-aarch64w.exe] Error 1

C:\Users\ContainerAdministrator\AppData\Local\Temp\cirrus-ci-build>if 2 NEQ 0 exit /b 2 

Exit status: 2

```

--

         此致
礼
罗勇刚
Yours
    sincerely,
Yonggang Luo