message: remove compiler flags, which aren't supported by clang
diff: @@ -17,7 +17,7 @@ target_include_directories(arch_x86_loader
  target_compile_options(arch_x86_loader
  PRIVATE -O2 -Wall -m64 -std=gnu99 -ffreestanding -mno-red-zone
  - -fstrength-reduce -fomit-frame-pointer -finline-functions)
  + -fomit-frame-pointer)
  target_link_libraries(arch_x86_loader
  arch_x86_loader_asm
  