asdk-libdrm

modetest: add support for modetest

added support for scaling, window coordinates,
refresh rate for mode setting
Added other options such as
Query options:
        -c      list connectors
        -e      list encoders
        -f      list framebuffers
        -p      list CRTCs and planes (pipes)

Test options:
        -P <crtc_id>:<w>x<h>[+<x>+<y>][*<scale>][@<format>]     set a plane
        -s <connector_id>[,<connector_id>][@<crtc_id>]:<mode>[-<vrefresh>][@<format>]   set a mode
        -v test vsynced page flipping
        -w <obj_id>:<prop_name>:<value> set property

Generic options:
        -d      drop master after mode set
        -M module       use the given driver
        -D device       use the given device

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Vincent Abriou <vincent.abriou@st.com>
Signed-off-by: Rob Clark <robclark@freedesktop.org>
Signed-off-by: srinivas pulukuru <srinivas.pulukuru@ti.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>