addpkg: dsq

fix test.py fails on caching duration.
The author suggests that this test case can be safely disabled.
see issue multiprocessio/dsq#80

dsq/riscv64.patch

@@ -0,0 +1,11 @@
+--- PKGBUILD
++++ PKGBUILD
+@@ -58,7 +58,7 @@ check() {
+   7z e testdata/taxi.csv.7z
+
+   # ensure chatter from systemd-nspawn doesn't modify expected stdout
+-  LC_ALL=C ./scripts/test.py
++  LC_ALL=C ./scripts/test.py -fo cach
+ }
+
+ package() {