meta-inventec: add meta-starscream machine

The meta-starscream equipped with Aspeed AST2600 BMC SoC.

Tested: Build Starscream image and load on the target hardware.

Change-Id: I8c37a9f11980e3273e4c21ce80d23500c870895c
Signed-off-by: Jason Lin Ying Yen <lin.jasonyy@inventec.com>
diff --git a/meta-inventec/meta-starscream/recipes-phosphor/ipmi/phosphor-ipmi-config.bbappend b/meta-inventec/meta-starscream/recipes-phosphor/ipmi/phosphor-ipmi-config.bbappend
new file mode 100644
index 0000000..c0acaea
--- /dev/null
+++ b/meta-inventec/meta-starscream/recipes-phosphor/ipmi/phosphor-ipmi-config.bbappend
@@ -0,0 +1 @@
+FILESEXTRAPATHS:prepend:starscream := "${THISDIR}/${PN}:"