Bootstrap on riscv64

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

libcxx.spec

@@ -1,6 +1,6 @@
 # If you need to bootstrap this, turn this on.
 # Otherwise, you have a loop with libcxxabi
-%global bootstrap 0
+%global bootstrap 1
 
 %global libcxx_version 14.0.5
 #global rc_ver 2
@@ -8,7 +8,7 @@
 
 Name:		libcxx
 Version:	%{libcxx_version}%{?rc_ver:~rc%{rc_ver}}
-Release:	2%{?dist}
+Release:	2.0.riscv64%{?dist}
 Summary:	C++ standard library targeting C++11
 License:	MIT or NCSA
 URL:		http://libcxx.llvm.org/
@@ -139,6 +139,9 @@ install -m 0644 src/include/*.h %{buildroot}%{_includedir}/libcxx-internal/
 
 
 %changelog
+* Thu Aug 25 2022 David Abdurachmanov <davidlt@rivosinc.com> - 14.0.5-2.0.riscv64
+- Bootstrap on riscv64
+
 * Thu Jul 21 2022 Fedora Release Engineering <releng@fedoraproject.org> - 14.0.5-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild