* mipsnbsd-tdep.c: Include "regset.h" and "gdb_assert.h".

* mipsnbsd-tdep.c: Include "regset.h" and "gdb_assert.h".
(MIPS_PC_REGNUM, MIPS_FP0_REGNUM, MIPS_FSR_REGNUM)
(MIPSNBSD_NUM_GREGS, MIPSNBSD_NUM_FPREGS): New defines.
(fetch_core_registers, fetch_elfcore_registers): Remove functions.
(mipsnbsd_core_fns, mipsnbsd_elfcore_fns): Remove variables.
(mipsnbsd_core_osabi_sniffer): New function.
(mipsnbsd_init_abi): Set regset_from_core_section.
(_initialize_mipsnbsd_tdep): Remove calls to
deprecated_add_core_fns.
(mipsnbsd_supply_fpregset, mipsnbsd_supply_gregset)
(mipsnbsd_regset_from_core_section): New functions.
(mipsnbsd_gregset, mipsnbsd_fpregset): New variables.
* Makefile.in (mipsnbsd-tdep.o): Update dependencies.