Building under Docker bugfix. Switched to Bionic host, tested kernel …

…(4.17.y) building

Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:16.04
+FROM ubuntu:18.04
 RUN dpkg --add-architecture i386
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get -y dist-upgrade && \
 	DEBIAN_FRONTEND=noninteractive apt-get install -y git dialog lsb-release binutils wget ca-certificates device-tree-compiler \
@@ -7,7 +7,7 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get -y dist-upgrade &&
 	debian-keyring debian-archive-keyring f2fs-tools libfile-fcntllock-perl rsync libssl-dev nfs-kernel-server btrfs-tools \
 	ncurses-term p7zip-full kmod dosfstools libc6-dev-armhf-cross fakeroot \
 	curl patchutils python liblz4-tool libpython2.7-dev linux-base swig libpython-dev \
-	systemd-container udev g++-5-arm-linux-gnueabihf lib32stdc++6 \
+	systemd-container udev g++-5-arm-linux-gnueabihf lib32stdc++6 cpio tzdata psmisc \
 	libc6-i386 lib32ncurses5 lib32tinfo5 locales ncurses-base zlib1g:i386 pixz bison libbison-dev flex libfl-dev
 RUN locale-gen en_US.UTF-8
 ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8' TERM=screen