Don't use valgrind for RISC-V (riscv64) [not supported]

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>

libmodulemd.spec

@@ -6,7 +6,7 @@
 
 Name:           libmodulemd
 Version:        %{majorminorversion}%{?patchversion:.%{patchversion}}
-Release:        2%{?dist}
+Release:        2.0.riscv64%{?dist}
 Summary:        Module metadata manipulation library
 
 License:        MIT
@@ -21,7 +21,9 @@ BuildRequires:  pkgconfig(gobject-introspection-1.0)
 BuildRequires:  pkgconfig(yaml-0.1)
 BuildRequires:  pkgconfig(gtk-doc)
 BuildRequires:  python3-gobject-base
+%ifarch %{valgrind_arches}
 BuildRequires:  valgrind
+%endif
 
 Obsoletes:      python2-modulemd < 1.3.4
 Obsoletes:      python3-modulemd < 1.3.4
@@ -57,7 +59,7 @@ Development files for libmodulemd.
 
 export LC_CTYPE=C.utf8
 
-%ifarch %{power64}
+%ifarch %{power64} riscv64
 # Valgrind is broken on ppc64[le] with GCC7:
 # https://bugs.kde.org/show_bug.cgi?id=386945
 export MMD_SKIP_VALGRIND=1
@@ -93,6 +95,9 @@ export MMD_SKIP_VALGRIND=1
 %{_datadir}/gtk-doc/html/modulemd-1.0/
 
 %changelog
+* Wed Jul 25 2018 David Abdurachmanov <david.abdurachmanov@gmail.com> - 1.6.1-2.0.riscv64
+- Don't use valgrind for RISC-V (riscv64) [not supported]
+
 * Mon Jul 23 2018 Stephen Gallagher <sgallagh@redhat.com> - 1.6.1-2
 - Obsolete unsupported pythonX-modulemd packages