zaius: Enable 7seg

Enable the postcode-7seg support as part of phosphor-host-postd.

Signed-off-by: Kun Yi <kunyi731@gmail.com>
Change-Id: I9daed850cdf0f90e88e8a6b4990993272d9703fa
diff --git a/meta-zaius/recipes-phosphor/host/phosphor-host-postd_%.bbappend b/meta-zaius/recipes-phosphor/host/phosphor-host-postd_%.bbappend
new file mode 100644
index 0000000..a42aa2b
--- /dev/null
+++ b/meta-zaius/recipes-phosphor/host/phosphor-host-postd_%.bbappend
@@ -0,0 +1 @@
+PACKAGECONFIG_append_zaius = " 7seg"