cc/gcc: 4.4.5, add arm-softfloat-libgcc patch from buildroot

Reported-by: M P <buserror@gmail.com>
[Yann E. MORIN: add the patch to other 4.4.x]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

 reporter_name="Yann E. MORIN"

 reporter_url="http://ymorin.is-a-geek.org/projects/crosstool"

 reporter_comment="EXPERIMENTAL MIPS-64 n64 toolchain."