phosphor-ipmi-flash: Allow tmpfiles.d configs

A recent version of phosphor-ipmi-flash introduced a tmpfile
configuration that populates non-persistent directories at bootup.

Change-Id: Ida66eb430d98d70ff02814ec14bc71a52e92d615
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb
index 26d95ee..fe9a256 100644
--- a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb
+++ b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb
@@ -63,6 +63,7 @@
 FILES_${PN}_append = " ${libdir}/ipmid-providers/lib*${SOLIBS}"
 FILES_${PN}_append = " ${libdir}/blob-ipmid/lib*${SOLIBS}"
 FILES_${PN}-dev_append = " ${libdir}/ipmid-providers/lib*${SOLIBSDEV} ${libdir}/ipmid-providers/*.la"
+FILES_${PN}_append = " ${libdir}/tmpfiles.d"
 
 BLOBIPMI_PROVIDER_LIBRARY += "libfirmwareblob.so"
 BLOBIPMI_PROVIDER_LIBRARY += "libversionblob.so"