phosphor-health-monitor: add D-Bus paths

- Add the D-Bus paths for BMC metrics.
- The code for these paths will be autogenerated in the common.hpp

Change-Id: I3d0273d83136659d67b0907006fb050db948a732
Signed-off-by: Jagpal Singh Gill <paligill@gmail.com>
diff --git a/yaml/xyz/openbmc_project/Metrics/Value.interface.yaml b/yaml/xyz/openbmc_project/Metrics/Value.interface.yaml
index e0d6441..0743bae 100644
--- a/yaml/xyz/openbmc_project/Metrics/Value.interface.yaml
+++ b/yaml/xyz/openbmc_project/Metrics/Value.interface.yaml
@@ -55,3 +55,47 @@
           - measured_by
       required_endpoint_interfaces:
           - xyz.openbmc_project.Inventory.Item
+
+paths:
+    - namespace: /xyz/openbmc_project/metric
+      description: >
+          The root path for all Metrics.
+      segments:
+          - name: TotalMemory
+            description: >
+                The total memory metric.
+            value: memory/total
+          - name: FreeMemory
+            description: >
+                The free memory metric.
+            value: memory/free
+          - name: AvailableMemory
+            description: >
+                The available memory metric.
+            value: memory/available
+          - name: SharedMemory
+            description: >
+                The shared memory utilization.
+            value: memory/shared
+          - name: BufferedAndCachedMemory
+            description: >
+                The buffered and cached memory memory utilization.
+            value: memory/buffered_and_cached
+          - name: KernelCPU
+            description: >
+                The kernel CPU utilization.
+            value: cpu/kernel
+          - name: UserCPU
+            description: >
+                The user CPU utilization.
+            value: cpu/user
+          - name: RebootCount
+            description: >
+                Reboot statistic to track number of times device rebooted
+                without failure.
+            value: reboot/count
+          - name: RebootCountWithFailure
+            description: >
+                Reboot statistic to track number of times device rebooted
+                because of a failure.
+            value: reboot/count_with_failure