Add missing file

overlays/0000-fix-SPDK-build-env.patch

@@ -0,0 +1,11 @@
+--- a/cmake/modules/BuildSPDK.cmake
++++ b/cmake/modules/BuildSPDK.cmake
+@@ -35,7 +35,7 @@ macro(build_spdk)
+     # unset $CFLAGS, otherwise it will interfere with how SPDK sets
+     # its include directory.
+     # unset $LDFLAGS, otherwise SPDK will fail to mock some functions.
+-    BUILD_COMMAND env -i PATH=$ENV{PATH} CC=${CMAKE_C_COMPILER} ${make_cmd} EXTRA_CFLAGS="${spdk_CFLAGS}"
++    BUILD_COMMAND env -i PATH=$ENV{PATH} CC=${CMAKE_C_COMPILER} ${make_cmd} EXTRA_CFLAGS="${spdk_CFLAGS}" C_OPT="-mssse3"
+     BUILD_IN_SOURCE 1
+     INSTALL_COMMAND "true")
+   unset(make_cmd)