Migrate docker support to meson

- bmcweb seems to have x86 docker support which was broken
  due to build system migration.

- This commit would migrate the docker to leverage the meson
  build system.

- There are a couple of changes that are needed to for meson :

- Right now meson does not support the subprojects to be downloaded
  elsewhere other than subprojects directory, because of that we
  cannot delete the source directory in the bmcweb-base container as
  that affect the incremental builds.

- Docker infrastructure had now does not by-default allow DNS lookups
  for the latest rpm-based distributions, because of which I need to
  add --network to the base container(so that apt update succeeds)

Tested By:

- Was able to successfully compile bmcweb & tests in a container and
  was able to get the build directory out of the container to the host
  machine post completion.

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: Ica23bd3de22e262a27c91167181161fc459cda0d
diff --git a/build_x86_docker.sh b/build_x86_docker.sh
index 3f57b77..ef9b24a 100755
--- a/build_x86_docker.sh
+++ b/build_x86_docker.sh
@@ -8,10 +8,8 @@
 fi
 
 docker inspect bmcweb-base > /dev/null ||
-  docker build --no-cache --force-rm -t bmcweb-base -f Dockerfile.base .
+  docker build --network=host --no-cache --force-rm -t bmcweb-base -f Dockerfile.base .
 
 docker build -t bmcweb .
 
-mkdir -p build
-
-docker run -v "$PWD":/app -it bmcweb cp -r /build/bmcweb /build/webtest /app/build
+docker run -v "$PWD":/app -it bmcweb cp -rf /source/build/ /app/build