gcc: fix syslibs provides for secondary arch.
gcc: fix syslibs provides for secondary arch.

miqlas/haikuports,moochris/haikuports,koletzky/haikuports,koletzky/haikuports,Begasus/haikuports,haikuports/haikuports,haikuports/haikuports,nielx/haikuports,miqlas/haikuports,haikuports/haikuports,nielx/haikuports,Begasus/haikuports,moochris/haikuports,haikuports/haikuports,moochris/haikuports,Begasus/haikuports,miqlas/haikuports,koletzky/haikuports,Begasus/haikuports,Begasus/haikuports,nielx/haikuports,haikuports/haikuports