Changes for building with YP 2.1.1 'krogoth'

Changes for building with YP 2.1.1 'krogoth'

    Notable changes:
    - Update poky-agl.conf for YP 2.1 krogoth
    - change mesa bbappend to mesa_11  - TODO: check need for gallium, or replace with DRM see SPEC-237
    - remote linux-yocto_3.14  as it is no longer shipped with YP 2.1
    - rtl-sdr got a fix included for its packageconfig file
    - update 0001-disable-when-booting-over-nfs.patch
    - update checksums for ft2demo  - TODO: check installation of test binaries
    - automotive-message-broker needed a workaround in the recipe  -  TODO: fix package and recipe
    - wayland-ivi-extension fix for use of autotools _AND_ cmake at the same time: only use cmake
    - port pulseaudio_6.0.bbappend to pulseaudio_8.0.bbappend  -  TODO: check patches and forward-port
    - agl-audio-plugin is currently disabled until ported to pulseaudio 8.0
    - gstreamer1.0_1.2.3 is only used by meta-renesas, thus move it there
    - update dlt-daemon to 2.15

    TODO:
    - check values in poky-agl.conf
    - check mesa for needed bbappends on other boards (tested qemux86 and qemux86_64)
    - check pulsaudio bbappend and forward-port patches (patches disabled!)
    - check agl-audio-plugin and forward-port (build disabled!)
    - check freetype bbappend wrt. installation path of test binaries
    - check automotive-message-broker wrt installation routines for libraries (QA failure)
    - check wayland-ivi-extension build and capabilities

Change-Id: I553e03cc37348cba2fc4a022820157c78bb184d3
Signed-off-by: Jan-Simon Möller <jsmoeller@linuxfoundation.org>