Add Q35 Chipset with BIOS to RHV installation docs

Newer versions of RHV/Ovirt now default to `Q35 Chipset with UEFI` which
will not boot with our ovirt qcow2 disk image since it does not have an
EFI partition.

Author: agrare

installing_on_red_hat_virtualization/_topics/installation.md

@@ -109,7 +109,8 @@ for the database:
     Virtual Machine** dialog.
 
 2.  From the **General** tab, specify a name for the virtual machine and
-    any other details.
+    any other details.  Ensure that `Q35 Chipset with BIOS` is selected
+    for **Chipset/Firmware Type**.
 
 3.  Click **Attach**.