xf86: Accept devices with the 'simpledrm' driver.

SimpleDRM 'devices' are a fallback device, and do not have a busid
so they are getting skipped. This will allow simpledrm to work
with the modesetting driver
5 jobs for fixsimpledrm in 6 minutes and 27 seconds (queued for 4 seconds)
Status Name Job ID Coverage
  Docker Image
passed debian-buster #14529110

00:00:09

 
  Build And Test
passed autotools #14529111

00:06:17

passed meson #14529112

00:02:56

passed meson-noglamor #14529113

00:01:38

passed mingw-cross-build #14529114

00:00:55