compat: add HDMI library support

compat: add HDMI library support

HDMI was being carried over through compat-drivers but that
was a mistake as all its doing is providing helper routines.
It was also defining it as a module which was tainting the
kernel! This introduces hdmi into the backports tree in the
correct way instead.

mcgrof@frijol ~/linux-stable (git::master)$ git describe --contains \
	f142d3bd556c5e82e9bb3d33d07d6708702ea4ce
v3.9-rc1~83^2~1^2~4

commit f142d3bd556c5e82e9bb3d33d07d6708702ea4ce
Author: Thierry Reding <thierry.reding@avionic-design.de>
Date:   Wed Nov 21 15:29:29 2012 +0100

    video: Add generic HDMI infoframe helpers

    Add generic helpers to pack HDMI infoframes into binary buffers.

    Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
    Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
1   2.6.24              [  OK  ]
2   2.6.25              [  OK  ]
3   2.6.26              [  OK  ]
4   2.6.27              [  OK  ]
5   2.6.28              [  OK  ]
6   2.6.29              [  OK  ]
7   2.6.30              [  OK  ]
8   2.6.31              [  OK  ]
9   2.6.32              [  OK  ]
10  2.6.33              [  OK  ]
11  2.6.34              [  OK  ]
12  2.6.35              [  OK  ]
13  2.6.36              [  OK  ]
14  2.6.37              [  OK  ]
15  2.6.38              [  OK  ]
16  2.6.39              [  OK  ]
17  3.0.65              [  OK  ]
18  3.1.10              [  OK  ]
19  3.2.38              [  OK  ]
20  3.3.8               [  OK  ]
21  3.4.32              [  OK  ]
22  3.5.7               [  OK  ]
23  3.6.11              [  OK  ]
24  3.7.9               [  OK  ]
25  3.8.0               [  OK  ]
26  3.9-rc1             [  OK  ]

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>