README: update email

Signed-off-by: Enrico Butera <ebutera@users.sourceforge.net>
Update mali and disable dbg package for sunxi-mali

Latest sunxi-mali was failing when splitting package and creating the
-dbg package for Mali.so. Debug package is now disabled for sunxi-mali.
It's proprietary anyway and we can't do anything about it.
Fix the SHA1 revision to point to the correct commit
Fix build and usage of sunxi-mali
sunxi-mali: set LICENSE to Proprietary

Fixes the following warning:
"WARNING: sunxi-mali: No generic license file exists for:
proprietary-binary in any provider"

Signed-off-by: Jonathan Liu <net147@gmail.com>
Merge pull request #72 from net147/daisy

[daisy] sunxi-mali: set LICENSE to Proprietary
libdri2: added missing pkgconfig inherit

Signed-off-by: Enrico Butera <ebutera@users.sourceforge.net>
(cherry picked from commit 0ed1eadb956158471748878a8df4bfcf979184f5)
Added pcDuino3