Upstream pldm-hypervisor services under OEM

 - The intent behind this commit is to create a folder
   for all the pldm services(including the oem services)
   & installs the respective services based on the meson
   configuration.
 - This commit would also remove a redundant systemd dependency
   which was missed in earlier cleanup.

Tested By:
1. meson buiddir -Doem-ibm=enabled/disabled
2. ninja -C builddir
3. ninja install

Post the install step, was able to see the respective systemd
unit files in the systemd_unit_dir (lib/systemd/system)

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: I4d9e093be25ac7a8a94bcccc9f8c1e7d3de1c68c
diff --git a/oem/ibm/service_files/pldm-create-phyp-nvram-cksum.service b/oem/ibm/service_files/pldm-create-phyp-nvram-cksum.service
new file mode 100644
index 0000000..9e0100d
--- /dev/null
+++ b/oem/ibm/service_files/pldm-create-phyp-nvram-cksum.service
@@ -0,0 +1,12 @@
+[Unit]
+Description=Create empty PHYP-NVRAM-CKSUM file
+ConditionPathExists=!/var/lib/pldm/PHYP-NVRAM-CKSUM
+
+[Service]
+ExecStart=/bin/mkdir -p /var/lib/pldm/
+ExecStart=/bin/dd if=/dev/zero of=/var/lib/pldm/PHYP-NVRAM-CKSUM bs=16 count=1
+Type=oneshot
+RemainAfterExit=no
+
+[Install]
+WantedBy=pldmd.service