phosphor-software-manager: Create /usr/local mount point

Mount /usr/local as a tmpfs to be used as a patch location for the
host bios code and (eventually) the bmc.
Add a dependency to it to the pnor updater service starts since
that's a service that will use it.

Change-Id: I41cf3f4f536bad4b3966503953f79db2d052022d
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/common/recipes-phosphor/flash/phosphor-software-manager/usr-local.mount b/common/recipes-phosphor/flash/phosphor-software-manager/usr-local.mount
new file mode 100644
index 0000000..7aa2cf6
--- /dev/null
+++ b/common/recipes-phosphor/flash/phosphor-software-manager/usr-local.mount
@@ -0,0 +1,7 @@
+[Unit]
+Description=/usr/local
+
+[Mount]
+What=tmpfs
+Where=/usr/local
+Type=tmpfs