Make geode_lx use the vsa from blobs repository

... or fail if repository is not enabled.

Change-Id: I0a1e6d6fed852ec7edf96ace8346ae6b23838a56
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/959
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
diff --git a/src/cpu/amd/geode_lx/Kconfig b/src/cpu/amd/geode_lx/Kconfig
index e5462c6..777dc94 100644
--- a/src/cpu/amd/geode_lx/Kconfig
+++ b/src/cpu/amd/geode_lx/Kconfig
@@ -19,9 +19,11 @@
 	bool
 	default y
 	select PCI_OPTION_ROM_RUN_REALMODE
+	select REQUIRES_BLOB
 
 config GEODE_VSA_FILE
 	bool "Add a VSA image"
+	default y
 	help
 	  Select this option if you have an AMD Geode LX vsa that you would
 	  like to add to your ROM.
@@ -32,7 +34,7 @@
 config VSA_FILENAME
 	string "AMD Geode LX VSA path and filename"
 	depends on GEODE_VSA_FILE
-	default "gpl_vsa_lx_102.bin"
+	default "3rdparty/cpu/amd/geode_lx/gpl_vsa_lx_102.bin"
 	help
 	  The path and filename of the file to use as VSA.