Update SeaBIOS to 0.6.1.2

 - 06d0bdd Minor build fixes.
 - 33abfc0 Update version to 0.6.1.2.
 - 484dd56 fix virtio-blk failure after reboot
 - dd9c0d3 Update version to 0.6.1.1.
 - 50ecfa8 mark irq9 active high in DSDT

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/pc-bios/bios.bin b/pc-bios/bios.bin
index f79c342..e191908 100644
--- a/pc-bios/bios.bin
+++ b/pc-bios/bios.bin
Binary files differ
diff --git a/roms/seabios b/roms/seabios
index 0ff9051..06d0bdd 160000
--- a/roms/seabios
+++ b/roms/seabios
@@ -1 +1 @@
-Subproject commit 0ff9051f756ba739bc2edca77925191c3c6cbc2f
+Subproject commit 06d0bdd9e2e20377b3180e4986b14c8549b393e4