Supplement EFIAPI for UefiDevicePathLibCatPrint(), otherwise gcc-4.4
builds of edk2 format garbage text representations of device paths.

Contributed-under: TianoCore Contribution Agreement 1.0

Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

git-svn-id: svn://svn.code.sf.net/p/edk2/code/trunk/edk2/MdePkg@14550 6f19259b-4bc3-4df7-8a09-765794883524