* m68hc11/sci-inout.S: Supports -mlong-calls.
* m68hc11/sim-valid-m68hc11.ld (.tramp): New section for trampolines.
(.text): Mark the .installN and .finiN section with KEEP.
(.vectors): Likewise for .vectors.
(.gcc_except_table): New section.
* m68hc11/sim-valid-m68hc12.ld (.tramp): New section for trampolines.
(.text): Mark the .installN and .finiN section with KEEP.
(.vectors): Likewise for .vectors.
(.gcc_except_table): New section.
* README: Mention 68HC11/68HC12 support.
* configure.in: Recognize m6811-elf and m6812-elf.
* configure: Regenerated.
* m68hc11/Makefile.in: New file.
* m68hc11/configure.in: New file.
* m68hc11/configure: New file.
* m68hc11/crt0.S: New file.
* m68hc11/sci-inout.S: New file for 68hc11/68hc12 sio.
* m68hc11/sim-valid-m68hc11.ld: New file.
* m68hc11/sim-valid-m68hc12.ld: New file.
* m68hc11/syscalls.c: New file.