Fixes ppc44x fpu support that broke from a bad arch/powerpc merge.
Instead of adding KernelFP back in (which duplicates code) we use
the same kernel fpu unavailable handler as classic PPC processors.
Signed-off-by: NMatt Porter <mporter@kernel.crashing.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>