Dockerfile: Build and install virtiofsd to the docker image

Given the 'virtiofsd' executable is used in multiple CI workers,
installing them directly to the docker image is more efficient and can
save CI time.

Signed-off-by: Bo Chen <chen.bo@intel.com>

resources/Dockerfile

@@ -91,3 +91,11 @@ RUN export ARCH="$(uname -m)" \
 RUN echo 'source $CARGO_HOME/env' >> $HOME/.bashrc \
     && mkdir $HOME/.cargo \
     && ln -s $CARGO_HOME/env $HOME/.cargo/env
+
+# install virtiofsd
+RUN git clone --depth 1 https://gitlab.com/virtio-fs/qemu.git -b qemu5.0-virtiofs-dax \
+    && cd qemu \
+    && ./configure --prefix=$PWD --target-list=x86_64-softmmu \
+    && make virtiofsd -j `nproc` \
+    && cp virtiofsd /usr/local/bin \
+    && cd .. && rm -rf qemu