tools: Update alpine base and add a few more packages

iAdd a bunch of packages which are useful for compiling
some of the tools shipped with the Linux kernel source code.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>

tools/alpine/packages

@@ -18,9 +18,11 @@ cmake
 cryptsetup
 curl
 dhcpcd
+diffutils
 dosfstools
 e2fsprogs
 e2fsprogs-extra
+elfutils-dev
 flex
 gcc
 git
@@ -36,7 +38,9 @@ libarchive-tools
 libc-dev
 libc-utils
 libelf-dev
+libressl-dev
 libseccomp-dev
+libunwind-dev
 linux-headers
 make
 mtools
@@ -56,6 +60,7 @@ qemu-system-arm
 qemu-system-x86_64
 sed
 sfdisk
+slang-dev
 squashfs-tools
 strace
 syslinux
@@ -67,3 +72,5 @@ vim
 xfsprogs
 xorriso
 xz
+xz-dev
+zlib-dev

tools/alpine/versions

@@ -17,22 +17,25 @@ btrfs-progs-4.10.2-r0
 btrfs-progs-dev-4.10.2-r0
 btrfs-progs-libs-4.10.2-r0
 build-base-0.5-r0
-busybox-1.26.2-r4
+busybox-1.26.2-r5
 bzip2-1.0.6-r5
 ca-certificates-20161130-r2
 cdrkit-1.1.11-r2
 celt051-0.5.1.3-r0
-cmake-3.8.0-r0
+cmake-3.8.1-r0
 cryptsetup-1.7.5-r0
 cryptsetup-libs-1.7.5-r0
 curl-7.54.0-r0
 db-5.3.28-r0
 device-mapper-libs-2.02.168-r3
 dhcpcd-6.11.5-r1
+diffutils-3.5-r0
 dosfstools-4.1-r1
 e2fsprogs-1.43.4-r0
 e2fsprogs-extra-1.43.4-r0
 e2fsprogs-libs-1.43.4-r0
+elfutils-dev-0.168-r1
+elfutils-libelf-0.168-r1
 expat-2.2.0-r0
 file-5.30-r0
 findmnt-2.28.2-r2
@@ -45,7 +48,7 @@ git-2.13.0-r0
 glib-2.52.1-r0
 gmp-6.1.2-r0
 gmp-dev-6.1.2-r0
-gnutls-3.5.12-r0
+gnutls-3.5.13-r0
 go-1.8.1-r0
 gummiboot-48.1-r0
 hvtools-4.4.15-r0
@@ -80,6 +83,8 @@ libedit-20170329.3.1-r2
 libelf-0.8.13-r2
 libelf-dev-0.8.13-r2
 libepoxy-1.4.1-r0
+libexecinfo-1.1-r0
+libexecinfo-dev-1.1-r0
 libfdisk-2.28.2-r2
 libffi-3.2.1-r3
 libgcc-6.3.0-r4
@@ -99,6 +104,7 @@ libogg-1.3.2-r1
 libpciaccess-0.13.4-r1
 libpng-1.6.29-r1
 libressl-2.5.4-r0
+libressl-dev-2.5.4-r0
 libressl2.5-libcrypto-2.5.4-r0
 libressl2.5-libssl-2.5.4-r0
 libressl2.5-libtls-2.5.4-r0
@@ -111,6 +117,8 @@ libstdc++-6.3.0-r4
 libtasn1-4.10-r1
 libtirpc-1.0.1-r1
 libunistring-0.9.7-r0
+libunwind-1.2-r2
+libunwind-dev-1.2-r2
 libusb-1.0.21-r0
 libuuid-2.28.2-r2
 libuv-1.11.0-r1
@@ -160,6 +168,8 @@ readline-6.3.008-r5
 scanelf-1.2.2-r0
 sed-4.4-r0
 sfdisk-2.28.2-r2
+slang-2.3.1-r0
+slang-dev-2.3.1-r0
 snappy-1.1.4-r1
 spice-server-0.13.3-r1
 squashfs-tools-4.3-r3
@@ -176,5 +186,7 @@ wayland-1.13.0-r0
 xfsprogs-4.5.0-r0
 xorriso-1.4.6-r0
 xz-5.2.3-r0
+xz-dev-5.2.3-r0
 xz-libs-5.2.3-r0
 zlib-1.2.11-r0
+zlib-dev-1.2.11-r0