meta-palmetto: Mirror host console to UART1

Add Palmetto-specific override for obmc-console.conf containing the
'local-tty' configuration option.

This enables obmc-console-server to relay the LPC-controlled VUART to
ttyS0 aka UART1, the D-sub connector on the rear of the chassis).

Change-Id: I844d763282bbd0cf99d41a0a129e827bec9abcfd
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/meta-palmetto/recipes-phosphor/console/obmc-console.bbappend b/meta-palmetto/recipes-phosphor/console/obmc-console.bbappend
new file mode 100644
index 0000000..2d33559
--- /dev/null
+++ b/meta-palmetto/recipes-phosphor/console/obmc-console.bbappend
@@ -0,0 +1 @@
+FILESEXTRAPATHS_prepend_palmetto := "${THISDIR}/${PN}:"