util/docker: Update coreboot-sdk dockerfile dependencies list

- Remove archive utilities no longer needed by EM100 build
- Remove duplicate libgmp-dev entry
- Add graphviz needed for doxygen builds

Tested building to verify dependencies:
coreboot(what-jenkins-does), em100, chromeec, flashrom, SeaBIOS, TINT,
memtest86+, tianocore, doxygen, ipxe, FILO, GRUB, libpayload,
depthcharge

Tested ROM in QEMU

Change-Id: Idb5cf43807706b3298ee08f6707f495d3a79abb6
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: https://review.coreboot.org/26393
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

util/docker/coreboot-sdk/Dockerfile

@@ -35,13 +35,13 @@ RUN \
 		gcc \
 		git \
 		gnat-6 \
+		graphviz \
 		libelf-dev \
 		libfreetype6-dev \
 		libftdi-dev \
 		libftdi1-dev \
 		libglib2.0-dev \
 		libgmp-dev \
-		libgmp-dev \
 		libisl-dev \
 		liblzma-dev \
 		libncurses5-dev \
@@ -57,7 +57,6 @@ RUN \
 		msitools \
 		nasm \
 		openssl \
-		p7zip-full \
 		patch \
 		pkg-config \
 		python \
@@ -66,7 +65,6 @@ RUN \
 		shellcheck \
 		subversion \
 		unifont \
-		unrar-free \
 		uuid-dev \
 		vim-common \
 		wget \