osbuilder: move code into tools directory

move all osbuilder files into `tools` directory to be able
to merge this into kata-containers repo.

Signed-off-by: Salvador Fuentes <salvador.fuentes@intel.com>

tools/osbuilder/dracut/Dockerfile.in

@@ -0,0 +1,38 @@
+#
+# Copyright (c) 2019 SUSE LLC
+#
+# SPDX-License-Identifier: Apache-2.0
+
+from opensuse/tumbleweed
+
+RUN zypper --non-interactive refresh; \
+    zypper --non-interactive install --no-recommends --force-resolution \
+    autoconf \
+    automake \
+    binutils \
+    cmake \
+    coreutils \
+    cpio \
+    curl \
+    dracut \
+    gcc \
+    gcc-c++ \
+    git-core \
+    glibc-devel \
+    glibc-devel-static \
+    glibc-utils \
+    libstdc++-devel \
+    linux-glibc-devel \
+    m4 \
+    make \
+    sed \
+    tar \
+    vim \
+    which; \
+    zypper --non-interactive clean --all;
+
+
+# This will install the proper golang to build Kata components
+@INSTALL_MUSL@
+@INSTALL_GO@
+@INSTALL_RUST@