various updates to build against xorg-server 21.1.3. - avoid a const issue with an expanded __UNCONST(). - cope with renamed member names - deal with "xf86RamDac.h" going away (now use "xf86Cursor.h")
Avoid multiple definitions of the same variable.
import our slightly older intel xf86 driver as "intel-2014". this driver works better on older systems, but doesn't support gen9 as well.