component/qemu-kvm: Workaround host with XFS issue

QEMU has troubles if host runs on XFS, which is already fixed upstream:

https://git.qemu.org/?p=qemu.git;a=commitdiff;h=b2c6f23f4a9f6d8f1b648705cd46d3713b78d6a2

But as new release is not there qemu-kvm is fixed like distributions do:

https://bugzilla.redhat.com/show_bug.cgi?id=1751934#c22

/reviewed-on nexedi/slapos!650

component/qemu-kvm/buildout.cfg

@@ -38,6 +38,7 @@ configure-options =
   --extra-cflags="-I${gnutls:location}/include -I${libuuid:location}/include -I${ncurses:location}/include -I${zlib:location}/include -I${libpng:location}/include -I${libaio:location}/include -I${attr:location}/include -I${libcap:location}/include"
   --extra-ldflags="-Wl,-rpath -Wl,${glib:location}/lib -L${glib:location}/lib -Wl,-rpath -Wl,${gnutls:location}/lib -L${gnutls:location}/lib -Wl,-rpath -Wl,${libgpg-error:location}/lib -L${libgpg-error:location}/lib -L${gettext:location}/lib -Wl,-rpath -Wl,${gettext:location}/lib -Wl,-rpath -Wl,${libpng:location}/lib -L${libpng:location}/lib -L${libuuid:location}/lib -Wl,-rpath -Wl,${libuuid:location}/lib -L${libaio:location}/lib -Wl,-rpath=${libaio:location}/lib -L${ncurses:location}/lib -Wl,-rpath=${ncurses:location}/lib -L${zlib:location}/lib -Wl,-rpath -Wl,${zlib:location}/lib -lpng -lz -lgnutls -L${attr:location}/lib -Wl,-rpath=${attr:location}/lib -L${libcap:location}/lib -Wl,-rpath=${libcap:location}/lib"
   --disable-werror
+  --disable-xfsctl
 environment =
   PATH=${pkgconfig:location}/bin:%(PATH)s
   PKG_CONFIG_PATH=${glib:location}/lib/pkgconfig:${gnutls:location}/lib/pkgconfig:${pcre:location}/lib/pkgconfig:${pixman:location}/lib/pkgconfig