Oops, really commit. Part of:

Oops, really commit.  Part of:
        * infcall.c (call_function_by_hand): Update comment on
        DEPRECATED_DUMMY_WRITE_SP.

        * mips-tdep.c (mips_gdbarch_init): Do not set
        deprecated_dummy_write_sp.
        (mips_eabi_push_dummy_call): Set the SP register.
        (mips_o64_push_dummy_call): Set the SP register.
        (mips_o32_push_dummy_call): Set the SP register.
        (mips_n32n64_push_dummy_call): Set the SP register.