3rdparty: move to 3rdparty/blobs

There's now room for other repositories under 3rdparty.

Change-Id: I51b02d8bf46b5b9f3f8a59341090346dca7fa355
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/10109
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/northbridge/amd/pi/00630F01/Kconfig b/src/northbridge/amd/pi/00630F01/Kconfig
index 6e8ebd0..cb6ab95 100644
--- a/src/northbridge/amd/pi/00630F01/Kconfig
+++ b/src/northbridge/amd/pi/00630F01/Kconfig
@@ -48,6 +48,6 @@
 
 config VGA_BIOS_FILE
 	string
-	default "blobs/northbridge/amd/00630F01/VBIOS.bin"
+	default "3rdparty/blobs/northbridge/amd/00630F01/VBIOS.bin"
 
 endif