Fix gcc + binutils compilation. (#9024)

* fix binutils deptype for gcc

binutils needs to be a run dependency of gcc

* Fix gcc+binutils build on RHEL7+

static-libstdc++ is not available with system gcc.
Anyway, as it is for bootstraping, we do not really care depending on
a shared libstdc++.

Co-authored-by: Michael Kuhn <michael@ikkoku.de>