drivers/interrupt_controller: Add Intel VT-D interrupt remapping driver

Such interrupt remapping controller may be found along with Intel VT-D
hardware. Its base-address is via ACPI, and it enables up to 64K
interrupt indexes.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
diff --git a/drivers/interrupt_controller/Kconfig b/drivers/interrupt_controller/Kconfig
index 6ab2084..6dc4a6b 100644
--- a/drivers/interrupt_controller/Kconfig
+++ b/drivers/interrupt_controller/Kconfig
@@ -64,4 +64,6 @@
 
 source "drivers/interrupt_controller/Kconfig.npcx"
 
+source "drivers/interrupt_controller/Kconfig.intel_vtd"
+
 endmenu