README: updated build instructions
README: updated build instructions

libimobiledevice/libimobiledevice,libimobiledevice/libimobiledevice,upbit/libimobiledevice,Tatsh/libimobiledevice,libimobiledevice-win32/libimobiledevice,patweb/libimobiledevice,libimobiledevice-win32/libimobiledevice,Tatsh/libimobiledevice,kalev/libimobiledevice,kalev/libimobiledevice,kalev/libimobiledevice,upbit/libimobiledevice,libimobiledevice-win32/libimobiledevice,Tatsh/libimobiledevice,Tatsh/libimobiledevice,libimobiledevice-win32/libimobiledevice,patweb/libimobiledevice,upbit/libimobiledevice,patweb/libimobiledevice