Merge remote-tracking branch 'remotes/otubo/tags/pull-seccomp-20150325' into staging

seccomp branch queue

# gpg: Signature made Wed Mar 25 10:09:29 2015 GMT using RSA key ID 12F8BD2F
# gpg: Can't check signature: public key not found

* remotes/otubo/tags/pull-seccomp-20150325:
  seccomp: update libseccomp version and remove arch restriction
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

configure

@@ -1848,14 +1848,13 @@ fi
 # libseccomp check
 
 if test "$seccomp" != "no" ; then
-    if test "$cpu" = "i386" || test "$cpu" = "x86_64" &&
-        $pkg_config --atleast-version=2.1.1 libseccomp; then
+    if $pkg_config --atleast-version=2.2.0 libseccomp; then
         libs_softmmu="$libs_softmmu `$pkg_config --libs libseccomp`"
         QEMU_CFLAGS="$QEMU_CFLAGS `$pkg_config --cflags libseccomp`"
 	seccomp="yes"
     else
 	if test "$seccomp" = "yes"; then
-            feature_not_found "libseccomp" "Install libseccomp devel >= 2.1.1"
+            feature_not_found "libseccomp" "Install libseccomp devel >= 2.2.0"
 	fi
 	seccomp="no"
     fi