fix: CPU configuration

# Docker environment variables

: ${HOST_CPU:=''}

: ${HOST_MAC:=''}

: ${HOST_DEBUG:=''}

: ${HOST_SERIAL:=''}

: ${HOST_MODEL:=''}

: ${GUEST_SERIAL:=''}

if [ -z "$HOST_CPU" ] && [ "$CPU_MODEL" == "host"* ]; then

  HOST_CPU=$(lscpu | grep 'Model name' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/  */ /g')

fi

if [ -n "$HOST_CPU" ]; then

  HOST_CPU="${HOST_CPU%%,*},,"

else

  if [ "$CPU_MODEL" == "host"* ] || [ "$CPU_MODEL" == "qemu"* ]; then

    HOST_CPU="QEMU"

  else

    HOST_CPU="${CPU_MODEL%%,*}"

  fi

  if [ "$ARCH" == "amd64" ]; then

    HOST_CPU="${HOST_CPU%%,*}, Virtual CPU, X86_64"

  else

    HOST_CPU="${HOST_CPU%%,*}, Virtual CPU, $ARCH"

  fi

fi

HOST_ARGS=()

HOST_ARGS+=("-cpu=$CPU_CORES")

HOST_ARGS+=("-cpu_arch=$HOST_CPU")