[U-Boot] patch: fix typo in mxc_hab docs

[Chris Kuethe]

diff --git a/doc/README.mxc_hab b/doc/README.mxc_hab
index a1b1d34..5fe977c 100644
--- a/doc/README.mxc_hab
+++ b/doc/README.mxc_hab
@@ -69,7 +69,7 @@ CONFIG_SECURE_BOOT
 CONFIG_SYS_FSL_SEC_COMPAT    4 /* HAB version */
 CONFIG_FSL_CAAM
 CONFIG_CMD_DEKBLOB
-CONFIG_SYS_FSL_LE
+CONFIG_SYS_FSL_SEC_LE

 Note: The encrypted boot feature is only supported by HABv4 or
 greater.