Add missing patch

Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>

productmd_rpm_arches.patch

@@ -0,0 +1,13 @@
+diff --git a/productmd/common.py b/productmd/common.py
+index 10e573d..dbe01c0 100644
+--- a/productmd/common.py
++++ b/productmd/common.py
+@@ -69,7 +69,7 @@ RPM_ARCHES = [
+     "aarch64", "alpha", "alphaev4", "alphaev45", "alphaev5", "alphaev56", "alphaev6", "alphaev67", "alphaev68",
+     "alphaev7", "alphapca56", "amd64", "arm64", "armhfp", "armv5tejl", "armv5tel", "armv6hl", "armv6l", "armv7hl",
+     "armv7hnl", "armv7l", "athlon", "geode", "i386", "i486", "i586", "i686", "ia32e", "ia64", "ppc", "ppc64",
+-    "ppc64iseries", "ppc64le", "ppc64p7", "ppc64pseries", "s390", "s390x", "sh3", "sh4", "sh4a",
++    "ppc64iseries", "ppc64le", "ppc64p7", "ppc64pseries", "riscv64", "s390", "s390x", "sh3", "sh4", "sh4a",
+     "sparc", "sparc64", "sparc64v", "sparcv8", "sparcv9", "sparcv9v", "x86_64",
+     "src", "nosrc", "noarch",
+ ]

python-productmd.spec

@@ -9,13 +9,15 @@
 
 Name:           python-%{srcname}
 Version:        1.36
-Release:        1%{?dist}
+Release:        1.0.riscv64%{?dist}
 Summary:        Library providing parsers for metadata related to OS installation
 
 License:        LGPL-2.1-only
 URL:            https://github.com/release-engineering/productmd
 Source0:        https://files.pythonhosted.org/packages/source/p/%{srcname}/%{srcname}-%{version}.tar.gz
 
+Patch0:         productmd_rpm_arches.patch
+
 BuildArch:      noarch
 
 %global _description \
@@ -102,6 +104,9 @@ Requires:       python%{python3_pkgversion}-six
 %endif
 
 %changelog
+* Fri Sep 01 2023 David Abdurachmanov <davidlt@rivosinc.com> - 1.36-1.0.riscv64
+- Add riscv64 to RPM_ARCHES
+
 * Mon Jul 31 2023 Lubomír Sedlář <lsedlar@redhat.com> - 1.36-1
 - New upstream release 1.36