merge libXi 1.8 and libdrm 2.4.109.

updated generated_static_table_fourcc.h generated with:

python3.9 gen_table_fourcc.py include/drm/drm_fourcc.h ../include/generated_static_table_fourcc.h

merge libX11 1.6.8 and libXi 1.7.10.

merge libXext 1.3.3, libXi 1.7.4, libXinerama 1.1.3 and libpthread-stubs 0.3.

merge libXi 1.7.3.

merge libSM 1.2.2, libXaw 1.0.12, libXfont 1.4.7, libXi 1.7.2,
libXmu 1.1.2, and libXpm 3.5.11 parts.

merge patches to libXi, libXrender, libXvMC and libxcb that fix
security issues listed in "X.Org Security Advisory: May 23, 2013"
but haven't had new versions released yet. see:

http://www.x.org/wiki/Development/Security/Advisory-2013-05-23

for more details on these patches.

initial import of libXi-1.7.1

initial import of libXi-1.4.3. important changes include:
XIGrabDevice() fixes
Fix XISelectEvents on 64 bits, strict alignement architectures
Allocate enough memory for raw events + extra data
Use Data, not Data32 in XIPassiveGrabDevice

initial import of libXi-1.4.1:
- several bug fixes

initial import of libXi-1.3