pldm: add service file

openbmc/pldm now has an in-repo systemd service file. Package the same.
Also need the srcrev bump with this commit because the two are co-reqs.

(From meta-phosphor rev: 127d89742398dec1681fe309002fa4e4fb3c2e24)

Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
Change-Id: I2703ca9a416cfc4631d2210fc42723a45851d226
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-phosphor/recipes-phosphor/pldm/pldm.inc b/meta-phosphor/recipes-phosphor/pldm/pldm.inc
index 7c09f10..421378b 100644
--- a/meta-phosphor/recipes-phosphor/pldm/pldm.inc
+++ b/meta-phosphor/recipes-phosphor/pldm/pldm.inc
@@ -2,4 +2,4 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=86d3f3a95c324c9479bd8986968f4327"
 SRC_URI = "git://github.com/openbmc/pldm"
-SRCREV = "250c47544a214b7e2f35a5688973f9c9cb1f7639"
+SRCREV = "4548c62553258301da2f0e7b10c26bac6910d53d"