enable seccomp on x86 platforms only

ocserv.spec

@@ -30,7 +30,9 @@ BuildRequires:	protobuf-c-devel
 BuildRequires:	libnl3-devel
 BuildRequires:	readline-devel
 BuildRequires:	autogen
+%ifarch %{ix86} x86_64
 BuildRequires:	libseccomp-devel
+%endif
 BuildRequires:	pcllib-devel
 BuildRequires:	libtalloc-devel
 BuildRequires:	http-parser-devel
@@ -79,9 +81,6 @@ touch src/*.proto
 %build
 
 %configure \
-%ifarch %{arm}
-	--disable-seccomp \
-%endif
 	--enable-systemd
 
 make %{?_smp_mflags}
@@ -149,7 +148,7 @@ rm -rf %{buildroot}
 %changelog
 * Mon Jan  5 2015 Nikos Mavrogiannopoulos <nmav@redhat.com> - 0.8.9-2
 - ocserv.service: depend on network-online.target (#1178760)
-- enable seccomp
+- enable seccomp (on platforms it is available)
 
 * Thu Dec 11 2014 Nikos Mavrogiannopoulos <nmav@redhat.com> - 0.8.9-1
 - New upstream release