Change tested cross-compiled+run platforms

- Stop testing darwin32 (the platform is dead).
- Do verify results for armhf.

Belonging to [master]:
  - OpenModelica/OpenModelica-testsuite#991

special/FmuExportCrossCompile/Makefile

@@ -17,7 +17,6 @@ dockerpull:
 check-files:
 	@file FmuExportCrossCompile.fmutmp/binaries/win32/FmuExportCrossCompile.dll | grep "PE32 executable (DLL) (console) Intel 80386, for MS Windows" || (file FmuExportCrossCompile.fmutmp/binaries/win32/FmuExportCrossCompile.dll ; false)
 	@file FmuExportCrossCompile.fmutmp/binaries/win64/FmuExportCrossCompile.dll | grep "PE32+ executable (DLL) (console) x86-64, for MS Windows" || (file FmuExportCrossCompile.fmutmp/binaries/win64/FmuExportCrossCompile.dll ; false)
-	@file FmuExportCrossCompile.fmutmp/binaries/darwin32/FmuExportCrossCompile.dylib | grep "Mach-O i386 dynamically linked shared library" || (file FmuExportCrossCompile.fmutmp/binaries/darwin32/FmuExportCrossCompile.dylib ; false)
 	@file FmuExportCrossCompile.fmutmp/binaries/darwin64/FmuExportCrossCompile.dylib | grep "Mach-O 64-bit x86_64 dynamically linked shared library" || (file FmuExportCrossCompile.fmutmp/binaries/darwin64/FmuExportCrossCompile.dylib ; false)
 	@file FmuExportCrossCompile.fmutmp/binaries/linux32/FmuExportCrossCompile.so | grep "ELF *32-bit *LSB *shared *object, Intel 80386, version 1 (SYSV), dynamically linked" || (file FmuExportCrossCompile.fmutmp/binaries/linux32/FmuExportCrossCompile.so ; false)
 	@file FmuExportCrossCompile.fmutmp/binaries/linux64/FmuExportCrossCompile.so | grep "ELF *64-bit *LSB *shared *object, x86-64, version 1 (SYSV), dynamically linked" || (file FmuExportCrossCompile.fmutmp/binaries/linux64/FmuExportCrossCompile.so ; false)

special/FmuExportCrossCompile/check-files.mos

@@ -1,5 +1,5 @@
-for m in {"FmuExportCrossCompile","RoomHeating_OM_RH","WaterTank_Control","WaterTank_TestSingleWaterTank"} loop
-for os in {"linux32","linux64","win32","win64","darwin64"} loop // "darwin32", "arm-linux-gnueabi"
+gifor m in {"FmuExportCrossCompile","RoomHeating_OM_RH","WaterTank_Control","WaterTank_TestSingleWaterTank"} loop
+for os in {"linux32","linux64","win32","win64","darwin64","arm-linux-gnueabi"} loop // "darwin32"
 for t in {"me","cs"} loop
 
 target := os+"-"+t;