phosphor-software-manager: Create bbappend to specify ubi locations

Each system can specify the locations where the images should be
stored during a bmc code update. Create one for witherspoon.

Resolves openbmc/openbmc#1758

Change-Id: Ib024554b97d01c9783219e224eed0d12f6b4574f
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/meta-witherspoon/recipes-phosphor/flash/phosphor-software-manager.bbappend b/meta-witherspoon/recipes-phosphor/flash/phosphor-software-manager.bbappend
new file mode 100644
index 0000000..954aaf3
--- /dev/null
+++ b/meta-witherspoon/recipes-phosphor/flash/phosphor-software-manager.bbappend
@@ -0,0 +1,6 @@
+BMC_RW_MTD = "pnor"
+# TODO Use the primary and alternate BMC chips to store the read-only
+# and kernel images once these issues are closed openbmc/openbmc#1942
+# and openbmc/openbmc#1791
+#BMC_RO_MTD = "alt"
+#BMC_KERNEL_MTD = "bmc"