Use slapos.recipe.cmmi new features to detect plaftorm if possible.

component/qemu-kvm/buildout.cfg

@@ -17,7 +17,6 @@ recipe = slapos.recipe.cmmi
 url = http://wiki.qemu-project.org/download/qemu-1.4.1.tar.bz2
 md5sum = eb2d696956324722b5ecfa46e41f9a75
 configure-options =
-  --target-list="x86_64-softmmu i386-softmmu"
   --enable-system
   --with-system-pixman
   --disable-sdl
@@ -38,3 +37,13 @@ environment =
   PATH=${pkgconfig:location}/bin:%(PATH)s
   PKG_CONFIG_PATH=${gnutls:location}/lib/pkgconfig:${glib:location}/lib/pkgconfig:${pixman:location}/lib/pkgconfig
   LDFLAGS=-L${pixman:location}/lib -Wl,-rpath=${pixman:location}/lib
+
+[amd64-linux-kvm]
+configure-options =
+  --target-list=x86_64-softmmu
+  ${kvm:configure-options}
+
+[x86-linux-kvm]
+configure-options =
+  --target-list=i386-softmmu
+  ${kvm:configure-options}
\ No newline at end of file