Update suggested hardware to match current existing available flavors (#1402)

* Update suggested hardware to match current existing available flavors

* Update docs/hub/spaces-config-reference.md

Co-authored-by: christophe-rannou <[email protected]>

* Update docs/hub/spaces-config-reference.md

---------

Co-authored-by: christophe-rannou <[email protected]>

Author: apolinario

docs/hub/spaces-config-reference.md

@@ -32,7 +32,12 @@ All versions of Streamlit from `0.79.0` are supported.
 Specify the suggested [hardware](https://huggingface.co/docs/hub/spaces-gpus) on which this Space must be run.  
 Useful for Spaces that are meant to be duplicated by other users.  
 Setting this value will not automatically assign an hardware to this Space.  
-Value must be a valid hardware flavor (e.g. `"cpu-upgrade"`, `"t4-small"`, `"t4-medium"`, `"a10g-small"`, `"a10g-large"`, `"a10g-largex2"`, `"a10g-largex4"` or `"a100-large"`).  
+Value must be a valid hardware flavor. Current valid hardware flavors:
+- CPU: `"cpu-basic"`, `"cpu-upgrade"`
+- GPU: `"t4-small"`, `"t4-medium"`, `"l4x1"`,
+	`"l4x4"`, `"a10g-small"`, `"a10g-large"`, `"a10g-largex2"`,
+	`"a10g-largex4"`,`"a100-large"`
+- TPU: `"v5e-1x1"`, `"v5e-2x2"`, `"v5e-2x4"`
 
 **`suggested_storage`** : _string_  
 Specify the suggested [permanent storage](https://huggingface.co/docs/hub/spaces-storage) on which this Space must be run.