powerpc: Make the NR_CPUS max 8192

We can compile and boot with NR_CPUS=8192, so make this the max.  1024
was an arbitrary decision anyway.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
1 file changed