a52dec: enable x86 and x86_64
a52dec: enable x86 and x86_64

* don't include tools for secondary architectures.

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