[Flang][OpenMP][Offloading][Test] Adjust slightly incorrect tests now cmake configuration works

These tests were slightly broken, in one case a failing test that now works. In the other case
some accidentally left over code during a name change that broke compilation due to missing
symbols.

Author: agozillon

openmp/libomptarget/test/offloading/fortran/target_map_common_block.f90

@@ -15,8 +15,7 @@ program main
   call commonblock_simple_with_implicit_type_var
   call commonblock_simple_with_integer
   call commonblock_simple_with_real
-  call commonblock_simple_to
-  call commonblock_simple_from
+  call commonblock_simple_to_from
   call set_commonblock_named
   call use_commonblock_named
 end program main

openmp/libomptarget/test/offloading/fortran/failing/target_map_common_block1.f90 renamed to openmp/libomptarget/test/offloading/fortran/target_map_common_block1.f90

@@ -7,7 +7,6 @@
 ! UNSUPPORTED: x86_64-pc-linux-gnu-LTO
 
 ! RUN: %libomptarget-compile-fortran-run-and-check-generic
-! XFAIL: *
 
 program main
   use omp_lib