poi: Adding lvm sample ks for fips

Change-Id: I3bfaf49dd58685a27937eb20a0f8a94e1eb97843

Author: jaankit

sample_ks/sample_ks_lvm_fips.cfg

@@ -0,0 +1,25 @@
+{
+    "hostname": "photon-machine",
+    "password":
+        {
+            "crypted": false,
+            "text": "changeme"
+        },
+    "disk": "/dev/sda",
+    "partitions": [
+                        {"mountpoint": "/", "size": 0, "filesystem": "ext4","lvm":{"vg_name":"vg1", "lv_name":"rootfs"}},
+                        {"mountpoint": "/boot", "size": 128, "filesystem": "ext4"},
+                        {"mountpoint": "/root", "size": 128, "filesystem": "ext4","lvm":{"vg_name":"vg1", "lv_name":"root"}}
+                    ],
+    "packagelist_file": "packages_minimal.json",
+    "additional_packages": ["vim"],
+    "postinstall": [
+                        "#!/bin/sh",
+                        "(sed -i 's/systemd_cmdline/systemd_cmdline fips=1/' /boot/grub2/grub.cfg) > /etc/postinstall"
+                   ],
+    "public_key": "<ssh-key-here>",
+    "linux_flavor": "linux",
+    "network": {
+        "type": "dhcp"
+    }
+}