[xorg-x11-drv-nvidia/f26] (11 commits) ...Update to 375.82 release

Summary of changes: 1010b75... Use boolean dependency on fedora 25 also (*) 2961480... Make libglvnd optional on rhel (*) 27edb67... Update changelog (*) d550940... Fixup for rhel (*) 13c0b0c... back to non-glvnd version for vulkan when needed (*) 3cec50a... Fixup for non-glvnd vulkan loader (*) b9b2f4b... Fixup _target_cpu macro (*) 55491df... fix up glvnd support for epel7 (*) 3ff1f90... fix up vulkan as there is no libGL.so.1 currently installad (*) 6fd2435... Fix non-glvnd build (*) 128fa72... Update to 375.82 release (*) (*) This commit already existed in another branch; no separate mail sent