c4x-c.c, [...]: Include tm_p.h instead of the *-protos.h file directly.

c4x-c.c, [...]: Include tm_p.h instead of the *-protos.h file directly.

	* c4x-c.c, c4x.c, darwin.c, i370-c.c, m32r.c: Include tm_p.h
	instead of the *-protos.h file directly.
	* t-c4x, t-i370, t-v850: Depend on $(TM_P_H).
	* darwin.c (machopic_output_stub): Move prototype ...
	* darwin-protos.h (machopic_output_stub): ... here.
	* rs6000-protos.h (machopic_output_stub): Don't declare.

From-SVN: r57201