in the arch/alpha directory we should use arch/alpha, not

in the arch/alpha directory we should use arch/alpha, not
targetarch.

arch/alpha/alpha_memory.cc:
arch/alpha/arguments.cc:
arch/alpha/arguments.hh:
arch/alpha/faults.cc:
arch/alpha/isa_traits.hh:
arch/alpha/osfpal.cc:
arch/alpha/vtophys.cc:
arch/alpha/vtophys.hh:
    in the arch/alpha directory we should use arch/alpha, not
    targetarch.  sort includes while we're here.

--HG--
extra : convert_revision : 99a71540e2997173db5c1072cef910a26acc75b2