meta-phosphor: Add host UART over VGA packages

This makes the host UART output over VGA feature a part of meta-phosphor
instead of duplicating it under each machine. Based on witherspoon
commits by Jeremy.

Change-Id: I2cbc47ee06647739eba0c0527fe01b52a0512a27
Signed-off-by: Joel Stanley <joel@jms.id.au>
diff --git a/common/recipes-phosphor/video/fbterm/fbterm.service b/common/recipes-phosphor/video/fbterm/fbterm.service
new file mode 100644
index 0000000..2b18c91
--- /dev/null
+++ b/common/recipes-phosphor/video/fbterm/fbterm.service
@@ -0,0 +1,8 @@
+[Unit]
+Description=UART renderer
+Requires=obmc-console@ttyVUART0.service
+
+[Service]
+EnvironmentFile={envfiledir}/fbterm
+ExecStartPre=/usr/sbin/fbset $FB_MODE
+ExecStart=/usr/bin/fbterm --write-only obmc-console-client