[SWDEV-559082] Add asic info cache (#756)

Signed-off-by: adapryor <Adam.pryor@amd.com>

docs/how-to/amdsmi-cli-tool.md

@@ -87,6 +87,7 @@ Current Variables:
 
 ```{note}
 AMDSMI_GPU_METRICS_CACHE_MS - Controls the internal GPU metrics cache duration (ms). Default 100, set to 0 to disable.
+AMDSMI_ASIC_INFO_CACHE_MS - Controls the internal GPU asic info cache duration (ms). Default 10000, set to 0 to disable.
 ```
 
 (cmds)=

docs/how-to/amdsmi-cpp-lib.md

@@ -27,6 +27,12 @@ control the internal GPU metrics cache duration (ms).
 Default 1, set to 0 to disable.
 ```
 
+```{note}
+The environment variable ``AMDSMI_ASIC_INFO_CACHE_MS`` may be set to
+control the internal GPU asic info cache duration (ms). 
+Default 10000 ms, set to 0 to disable.
+```
+
 ```{seealso}
 Refer to the [C++ library API reference](../reference/amdsmi-cpp-api.md).
 ```

docs/how-to/amdsmi-py-lib.md

@@ -44,7 +44,11 @@ The environment variable ``AMDSMI_GPU_METRICS_CACHE_MS`` may be set to
 control the internal GPU metrics cache duration (ms). 
 Default 1, set to 0 to disable.
 
-You can apply it in one of two ways:
+The environment variable ``AMDSMI_ASIC_INFO_CACHE_MS`` may be set to
+control the internal GPU asic info cache duration (ms). 
+Default 10000 ms, set to 0 to disable.
+
+You can apply them in one of two ways:
 
 1. In Python code (before the AMDSMI library loads):
 ```