[Bug target/83087] -fcf-protection -mcet enabled unconditionally for target libs

[igor.v.tsimbalist at intel dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83087

--- Comment #11 from igor.v.tsimbalist at intel dot com ---
So the increase compared to object file size is negligible. Increase of a text
segment is ~1.4%.