vboot: add cbfs_core

And we don't support lzma compressed data in verstage.

Change-Id: I3d8d3290f147871c49e9440e9b54bbf2742aaa9e
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/10103
Tested-by: build bot (Jenkins)

src/lib/Makefile.inc

@@ -33,6 +33,7 @@ bootblock-y += memcmp.c
 verstage-y += prog_ops.c
 verstage-y += delay.c
 verstage-y += cbfs.c
+verstage-y += cbfs_core.c
 verstage-y += memcmp.c
 verstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c
 verstage-$(CONFIG_CONSOLE_CBMEM) += cbmem_console.c