implement S mode CSRs (#878)

Author: tilk

.doctrees/api.doctree

@@ -44,6 +44,14 @@ coreblocks.params.instr module
    :undoc-members:
    :show-inheritance:
 
+coreblocks.params.vmem\_params module
+-------------------------------------
+
+.. automodule:: coreblocks.params.vmem_params
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 Module contents
 ---------------
 

.doctrees/auto_graph.doctree

@@ -28,6 +28,14 @@ coreblocks.priv.csr.csr\_register module
    :undoc-members:
    :show-inheritance:
 
+coreblocks.priv.csr.shadow module
+---------------------------------
+
+.. automodule:: coreblocks.priv.csr.shadow
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 Module contents
 ---------------