[Bug target/84829] -mieee-fp causes to link with -lieee but that is no longer available

[schwab@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84829

--- Comment #7 from Andreas Schwab <schwab@linux-m68k.org> ---
On m68k -mieee-fp is a no-op.