Based on this commit, https://marc.info/?l=openbsd-cvs&m=168201887006175&w=2 , add viogpu, a VirtIO GPU driver
Updated virtio.4 man page with viogpu device diff -c virtio.4.orig virtio.4 *** virtio.4.orig Wed Apr 26 13:07:35 2023 --- virtio.4 Wed Apr 26 13:10:31 2023 *************** *** 42,47 **** --- 42,49 ---- VirtIO disk .It Xr viocon 4 VirtIO console device + .It Xr viogpu 4 + VirtIO GPU device .It Xr viomb 4 VirtIO memory ballooning driver .It Xr viornd 4
