tools: fix static build of qemu and shimv2 on ppc64le

- statically linked qemu requires slof.bin to run, hence remove it from blacklist
- By default, initrd is used for Power, modify the configuration.toml accordingly

Fixes: #8458

Signed-off-by: Amulyam24 <amulmek1@in.ibm.com>

tools/packaging/static-build/qemu/Dockerfile

@@ -63,6 +63,7 @@ RUN apt-get update && apt-get upgrade -y && \
 	    rsync \
 	    zlib1g-dev${DPKG_ARCH} && \
     if [ "${ARCH}" != s390x ]; then apt-get install -y --no-install-recommends libpmem-dev${DPKG_ARCH}; fi && \
+	if [ "${ARCH}" == ppc64le ]; then apt-get install -y --no-install-recommends librados-dev librbd-dev; fi && \
     GCC_ARCH="${ARCH}" && if [ "${ARCH}" = "ppc64le" ]; then GCC_ARCH="powerpc64le"; fi && \
     if [ "${ARCH}" != "$(uname -m)" ]; then apt-get install --no-install-recommends -y gcc-"${GCC_ARCH}"-linux-gnu; fi && \
     apt-get clean && rm -rf /var/lib/apt/lists/