vboot: Include vb2_api.h, instead of lower-level vboot2 header files

This will allow vboot2 to continue refactoring without breaking
coreboot, since there's now only a single file which needs to stay in
sync.

BUG=chromium:423882
BRANCH=none
TEST=emerge-veyron_pinky coreboot
CQ-DEPEND=CL:233050

Original-Change-Id: I74cae5f0badfb2d795eb5420354b9e6d0b4710f7
Original-Signed-off-by: Randall Spangler <rspangler@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/233051
Original-Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>

(cherry picked from commit df55e0365de8da85844f7e7b057ca5d2a9694a8b)
Signed-off-by: Aaron Durbin <adurbin@chromium.org>

Change-Id: I999af95ccf8c326f2fd2de0f7da50515e02ad904
Reviewed-on: http://review.coreboot.org/9446
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins)
diff --git a/src/lib/tlcl.c b/src/lib/tlcl.c
index 3cfc408..c37b51a 100644
--- a/src/lib/tlcl.c
+++ b/src/lib/tlcl.c
@@ -14,11 +14,11 @@
  * time.
  */
 
-#include <2api.h>
-#include <2sysincludes.h>
 #include <assert.h>
+#include <string.h>
 #include <tpm_lite/tlcl.h>
 #include <tpm.h>
+#include <vb2_api.h>
 #include "tlcl_internal.h"
 #include "tlcl_structures.h"