dump_stack-serialize-the-output-from-dump_stack-fix

dump_stack-serialize-the-output-from-dump_stack-fix

- fix comment indenting
- avoid inclusion of <asm/> files - use <linux/> where possible
- fix uniprocessor build (__dump_stack undefined)
- remove unneeded ifdef around smp.h inclusion

Cc: Alex Thorlton <athorlton@sgi.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Robin Holt <holt@sgi.com>
Cc: Russ Anderson <rja@sgi.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: athorlton@sgi.com
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>