[SH] Use some more multi-line asm in sh.c

[Kaz Kojima]

Oleg Endo <oleg.endo@t-online.de> wrote:
> This mainly reformats some of the asm output code in sh.c to use
> multi-line strings.
> Tested on rev 193061 with
> make -k check RUNTESTFLAGS="--target_board=sh-sim
> \{-m2/-ml,-m2/-mb,-m2a/-mb,-m4/-ml,-m4/-mb,-m4a/-ml,-m4a/-mb}"
> 
> and no new failures.
> OK?

OK.

Regards,
	kaz