dev-tools: Move all packages to Recommends and add l5-devscripts

Subject says it all

dev-tools-all

-alsa-utils
-bash-completion
-dconf-editor
-device-tree-compiler
-edid-decode
-evtest
-gdb
-gen-sshd-host-keys
-git
-i2c-tools
-kbd
-lsof
-net-tools
-openssh-client
-openssh-server
-read-edid
-screen
-strace
-systemd-coredump
-u-boot-tools
-unzip
-vim-gtk3
-weston
-wireless-tools
-wlr-randr