[POWERPC] spufs: use kzalloc in create_spu

Clean up create_spu() a little by using kzalloc instead of kmalloc +
assignments.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
1 file changed