sparc64: remove trailing white spaces

A few changes that were reported by checkpatch, removed all trailing white
spaces in these two files.
Signed-off-by: NPavel Tatashin <pasha.tatashin@oracle.com>
Reviewed-by: NShannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>