[SFN] next/prev_nonnote_insn_bb are no more, even for ports

[SFN] next/prev_nonnote_insn_bb are no more, even for ports

The patch that added _nondebug to next_ and prev_nonnote_insn_bb
failed to find and adjust uses within config.  Fixed.

for  gcc/ChangeLog

	PR bootstrap/83396
	* config/arc/arc.c (hwloop_optimize): Skip debug insns.
	* config/sh/sh-protos.h (sh_find_set_of_reg): Adjust.
	* config/sh/sh.c: Skip debug insns besides notes.
	* config/sh/sh.md: Likewise.
	* config/sh/sh_treg_combine.cc: Likewise.
	* config/sh/sync.md: Likewise.

From-SVN: r255638