qemu: cirrus reset-related fixes

These patches were part of series including BIOS fixes. BIOS fixes has been applied, but it looks like qemu fixes were forgotten. Reposting.

Reset BARs and a couple of other registers on bus reset, as per PCI spec.

Michael S. Tsirkin (2):
qemu: make cirrus init value pci spec compliant
qemu: cleanup unused macros in cirrus

 hw/cirrus_vga.c |   37 +------------------------------------
 1 files changed, 1 insertions(+), 36 deletions(-)