Fedora 28: fixing mpv and libOpenCl.so.1: no version info and hardware acceleration

One of the great benefits of Linux is that it can run on a whole host of legacy components and still perform well. Re-purposing an old Dell E520 with a 32bit Intel Core2 Duo cpu, a PCI via vt6321a based IDE raid card, for Fedora 28 install was straight forward until we started to look at hardware accelerated mpv for watching movies files: libOpenCL.so.1: no version information available (required by /lib/libavfilter.so...

IDE power to Dell E520

Adding harddisks to an old Dell E520 should be easy - it's built with easy slide compartments. And it would be easy if you are adding newer SATA disks - if you're adding old school PATA (aka IDE) disks from your other (even older) PCs then it's a little more painful.