[PATCH] [POWERPC] trivial ps3 fixups

[Geoff Levand]

Stephen Rothwell wrote:
> Fixes warnings:
> 
> arch/powerpc/platforms/ps3/system-bus.c: In function 'ps3_map_sg':
> arch/powerpc/platforms/ps3/system-bus.c:278: warning: unused variable 'i'
> arch/powerpc/platforms/ps3/system-bus.c:277: warning: unused variable 'dev'
> arch/powerpc/platforms/ps3/setup.c:103: warning: 'prealloc' defined but not used
> 
> Signed-off-by: Stephen Rothwell <sfr at canb.auug.org.au>

Acked-by: Geoff Levand <geoffrey.levand at am.sony.com>