Allow login on ttyS4
diff --git a/meta-phosphor/common/recipes-extended/shadow/shadow-securetty_%.bbappend b/meta-phosphor/common/recipes-extended/shadow/shadow-securetty_%.bbappend
new file mode 100644
index 0000000..70ab435
--- /dev/null
+++ b/meta-phosphor/common/recipes-extended/shadow/shadow-securetty_%.bbappend
@@ -0,0 +1,4 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+
+SRC_URI += "file://securetty.patch"
+