drivers/interrupt_controller: Enable VT-D by default under condition

VT-D will only be enabled if MSI multi-vector will also be requested,
on x86_64, for all boards BUT QEMU ones.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
diff --git a/drivers/interrupt_controller/Kconfig.intel_vtd b/drivers/interrupt_controller/Kconfig.intel_vtd
index a6cfb5d..124b8f4 100644
--- a/drivers/interrupt_controller/Kconfig.intel_vtd
+++ b/drivers/interrupt_controller/Kconfig.intel_vtd
@@ -5,7 +5,8 @@
 
 menuconfig INTEL_VTD_ICTL
 	bool "Intel VT-D interrupt remapping controller"
-	depends on ACPI && X86 && 64BIT && PCIE_MSI_MULTI_VECTOR
+	default y
+	depends on !BOARD_QEMU_X86_64 && ACPI && X86 && 64BIT && PCIE_MSI_MULTI_VECTOR
 	select CACHE_MANAGEMENT
 	help
 	  Such interrupt remapping hardware is provided through Intel VT-D