tile: fix typos in comment in arch/tile/kernel/unaligned.c
tile: fix typos in comment in arch/tile/kernel/unaligned.c

Signed-off-by: Chris Metcalf <074881f6f5da4d3b5278870ff234d1077ee622c0@tilera.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs