internal/rosa/package/qemu: use system meson

This also enables meson colour and fixes test suite invocation.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/package/qemu/meson-colour.patch

@@ -0,0 +1,13 @@
+diff --git a/configure b/configure
+index 6ddfe4b534..1cba33d562 100755
+--- a/configure
++++ b/configure
+@@ -1946,7 +1946,7 @@ if test "$skip_meson" = no; then
+   test -n "$gdb_bin" && meson_option_add "-Dgdb=$gdb_bin"
+ 
+   run_meson() {
+-    NINJA=$ninja $meson setup "$@" "$PWD" "$source_path"
++    NINJA=$ninja CLICOLOR_FORCE=1 $meson setup "$@" "$PWD" "$source_path"
+   }
+   eval run_meson $meson_options
+   if test "$?" -ne 0 ; then