18:53 rezny 

Assorted fixes and improvements to libdrm

* define ETIME in libsync.h to fix build of freedreno in Mesa [1]
* disable cairo tests to avoid circular dependency when cairo uses libGL [2]
* add TESTS option to install test programs which are always built
* build libkms on all platforms, it need not be limited to x86
* cease disabling vmwgfx, which needed patching to build

PR:		219420 [2]
Reported by:	strejda [1], maficccc@gmail.com [2]
Approved by:	swills (mentor)
Differential Revision:	https://reviews.freebsd.org/D10841