bfd: Use changequote for "i[3-7]86-*-linux-*"
    
    Use changequote to match "i[3-7]86-*-linux-*", instead of
    "i3-786-*-linux-*".
    
    	PR ld/23388
    	* configure.ac: Use changequote for "i[3-7]86-*-linux-*".
    	* configure: Regenerated.
    
    (cherry picked from commit 872899f1efeda1e93ed569d322c6b2ee85ce885c)