MDEV-33447 fixup: pmem_persist() on RISC-V and LoongArch

Let us enable pmem_persist() on RISC-V and LoongArch, because those are
available in the Debian CI.
In commit 3f9f5ca these were initially
disabled by default.

storage/innobase/CMakeLists.txt

@@ -49,7 +49,7 @@ IF(UNIX)
       LINK_LIBRARIES(numa)
     ENDIF()
     IF(CMAKE_SIZEOF_VOID_P EQUAL 8)
-      IF(CMAKE_SYSTEM_PROCESSOR MATCHES "(aarch|AARCH|p(ower)?pc|x86_|amd)64")
+      IF(CMAKE_SYSTEM_PROCESSOR MATCHES "(aarch|AARCH|p(ower)?pc|x86_|amd|loongarch|riscv)64")
         OPTION(WITH_INNODB_PMEM "Support memory-mapped InnoDB redo log" ON)
       ELSE() # Disable by default on ISA that are not covered by our CI
         OPTION(WITH_INNODB_PMEM "Support memory-mapped InnoDB redo log" OFF)