Fix build

msix.o and msi.o get pulled into the build unconditionally for QMP.
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

Makefile.objs

@@ -218,7 +218,6 @@ hw-obj-$(CONFIG_PIIX4) += piix4.o
 hw-obj-$(CONFIG_PCI) += wdt_i6300esb.o
 
 hw-obj-$(CONFIG_PCI) += pcie.o pcie_aer.o pcie_port.o
-hw-obj-$(CONFIG_PCI) += msix.o msi.o
 
 # PCI network cards
 hw-obj-$(CONFIG_NE2000_PCI) += ne2000.o