board: ten64: opt out of fsl_setenv_bootcmd

Our bootcmd is the same regardless of where the SoC
loaded it's code from, so we don't want
fsl_setenv_bootcmd to do anything.

Signed-off-by: Mathew McBride <matt@traverse.com.au>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/board/traverse/ten64/ten64.c b/board/traverse/ten64/ten64.c
index 1705796..3cb8bad 100644
--- a/board/traverse/ten64/ten64.c
+++ b/board/traverse/ten64/ten64.c
@@ -465,3 +465,12 @@
 	puts("OK\n");
 }
 
+/* Opt out of the fsl_setenv_bootcmd
+ * in arch/arm/cpu/armv8/fsl-layerscape/soc.c
+ * which is invoked by board_late_init.
+ */
+int fsl_setenv_bootcmd(void)
+{
+	return 0;
+}
+