Add subsection title to System Speed-of-Light

Signed-off-by: colramos-amd <colramos@amd.com>

src/omniperf_analyze/configs/gfx906/0200_system-speed-of-light.yaml

@@ -11,6 +11,7 @@ Panel Config:
   data source:
     - metric_table:
         id: 201
+        title: Speed-of-Light
         header:
           metric: Metric
           value: Value

src/omniperf_analyze/configs/gfx908/0200_system-speed-of-light.yaml

@@ -11,6 +11,7 @@ Panel Config:
   data source:
     - metric_table:
         id: 201
+        title: Speed-of-Light
         header:
           metric: Metric
           value: Value

src/omniperf_analyze/configs/gfx90a/0200_system-speed-of-light.yaml

@@ -11,6 +11,7 @@ Panel Config:
   data source:
     - metric_table:
         id: 201
+        title: Speed-of-Light
         header:
           metric: Metric
           value: Value