embed OvmfVideo.rom into OVMF.fd

This enables qemu to use OVMF with a single -bios option. Based on
<http://lists.xen.org/archives/html/xen-devel/2012-03/msg01992.html>.

v1->v2:
- move xen-devel link from code to commit message
- cover all three FDF files

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
[jordan.l.justen@intel.com: remove vgabios-cirrus.bin from build.sh/README]
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13520 6f19259b-4bc3-4df7-8a09-765794883524

OvmfPkg/OvmfPkgX64.fdf

@@ -266,6 +266,8 @@ INF  IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf
 INF  RuleOverride=CSM OvmfPkg/Csm/Csm16/Csm16.inf
 !endif
 
+INF  OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf
+
 ################################################################################
 
 [FV.FVMAIN_COMPACT]
@@ -384,8 +386,3 @@ FILE FV_IMAGE = 9E21FD93-9C72-4c15-8C4B-E77F1DB2D792 {
   FILE RAW = $(NAMED_GUID) {
     RAW RAW                |.raw
   }
-
-[OptionRom.OvmfVideo]
-INF  OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf {
-    PCI_DEVICE_ID  = 0x00B8
-  }