Guix QA: Issue 50091

Add riscv64 supportpatch

• [bug#50091,21/21] gnu: lapack: Fix building on riscv64-linux.
• [bug#50091,20/21] gnu: lz4: Build on riscv64-linux without valgrind.
• [bug#50091,19/21] gnu: texlive-updmap.cfg: Update hash.
• [bug#50091,17/21] gnu: openlibm: Remove riscv64-linux from supported systems.
• [bug#50091,18/21] gnu: texlive-bin: Fix building on riscv64-linux.
• [bug#50091,16/21] gnu: openblas-ilp64: Add riscv64-linux as a supported architecture.
• [bug#50091,15/21] gnu: icu4c: Skip tests on riscv64-linux.
• [bug#50091,14/21] gnu: pcre2: Fix building on riscv64-linux.
• [bug#50091,13/21] gnu: mesa: Add support for riscv64-linux.
• [bug#50091,11/21] gnu: libtool: Fix building on riscv64-linux.
• [bug#50091,12/21] gnu: openblas: Fix building on riscv64-linux.
• [bug#50091,10/21] gnu: openssl: Fix build on riscv64-linux.
• [bug#50091,09/21] gnu: pcre: Fix building on riscv64-linux.
• [bug#50091,08/21] gnu: elfutils: Fix building on riscv64-linux.
• [bug#50091,07/21] gnu: bdb: Fix building on riscv64-linux.
• [bug#50091,06/21] gnu: %final-inputs: Add implied gcc:lib input.
• [bug#50091,05/21] gnu: guile: Fix building on riscv64-linux.
• [bug#50091,04/21] gnu: %boot3-inputs: Add missing input.
• [bug#50091,02/21] gnu: bootstrap: Add support for riscv64-linux.
• [bug#50091,03/21] gnu: gcc-boot0: Use libstdc++-boot0-gcc7 on riscv64-linux.
• [bug#50091,01/21] utils: Define 'target-riscv?' predicate.

Badges (work in progress)