libdri2: added missing pkgconfig inherit
libdri2: added missing pkgconfig inherit

Signed-off-by: Enrico Butera <4001cd5115a56651ba0587238531333aee74a36a@users.sourceforge.net>

jlucius/meta-sunxi,linux-sunxi/meta-sunxi,linux-sunxi/meta-sunxi,twoerner/meta-sunxi,rofehr/meta-sunxi,ebutera/meta-sunxi,ebutera/meta-sunxi,soderstrom-rikard/meta-sunxi,twoerner/meta-sunxi,O-Computers/meta-sunxi,O-Computers/meta-sunxi,linux-sunxi/meta-sunxi,jlucius/meta-sunxi,O-Computers/meta-sunxi,geomatsi/meta-sunxi,geomatsi/meta-sunxi,soderstrom-rikard/meta-sunxi,rofehr/meta-sunxi,jlucius/meta-sunxi,net147/meta-sunxi,rofehr/meta-sunxi,net147/meta-sunxi