* mips-linux-nat.c: No longer include "gdbcore.h".

	* mips-linux-nat.c: No longer include "gdbcore.h".
	(mips_linux_register_addr): Move from mips-linux-tdep.c.
	(mips64_linux_register_addr): Likewise.
	(mips_linux_register_u_offset): Call mips_linux_register_addr or
	mips64_linux_register_addr instead of register_addr.
	* mips-linux-tdep.c (mips_linux_register_addr,
	mips64_linux_register_addr): Move to mips-linux-nat.c.
	(register_addr): Remove.
	(register_addr_data, init_register_addr_data): Remove.
	(_initialize_mips_linux_tdep): Do not initialize register_addr_data.
	(set_mips_linux_register_addr): Remove.
	(mips_linux_init_abi): Do not call set_mips_linux_register_addr.
	* Makefile.in (mips-linux-nat.o): Update dependencies.