drivers/intel/fsp2_0: Add checklist support

Add the Kconfig value to point to the checklist data files.

TEST=Build and run on Galileo Gen2

Change-Id: I3737b46162214fad139382193de944ec5d175645
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/16039
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/drivers/intel/fsp2_0/Kconfig

@@ -86,4 +86,8 @@ config VERIFY_HOBS
 	  Verify that the HOBs required by coreboot are returned by FSP and
 	  that the resource HOBs are in the correct order and position.
 
+config CHECKLIST_DATA_FILE_LOCATION
+	string
+	default "src/vendorcode/intel/fsp/fsp2_0/checklist"
+
 endif