nb/intel/i945: Add vboot support

Change-Id: I749be0044be04b044ff82e96aff8093f4b0d295e
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40287
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/northbridge/intel/i945/Kconfig b/src/northbridge/intel/i945/Kconfig
index 2abc201..4690a54 100644
--- a/src/northbridge/intel/i945/Kconfig
+++ b/src/northbridge/intel/i945/Kconfig
@@ -27,6 +27,10 @@
 	select HAVE_VGA_TEXT_FRAMEBUFFER if MAINBOARD_DO_NATIVE_VGA_INIT
 	select PARALLEL_MP
 
+config VBOOT
+	select VBOOT_STARTS_IN_BOOTBLOCK
+	select VBOOT_SEPARATE_VERSTAGE
+
 config NORTHBRIDGE_INTEL_SUBTYPE_I945GC
 	def_bool n
 config NORTHBRIDGE_INTEL_SUBTYPE_I945GM