SCUMM: Manually specify function alignment in ARM assembly.
GRAPHICS: Manually specify function alignment in ARM assembly.
AUDIO: Manually specify function alignment in ARM assembly.
CONFIGURE: Allow iPhone backend to be build with cctools' as.
Merge pull request #444 from lordhoto/iphone-clang-3.3

IPHONE: Support clang based toolchain
SCUMM: Define symbols before actually using them in proc3ARM.s.