Fix crd_doc generator to match changes in arch def

interface

Author: Derek Hower

backends/crd_doc/tasks.rake

@@ -22,7 +22,7 @@ Dir.glob("#{$root}/arch/crd/*.yaml") do |f|
     "gen:arch"
   ] do |t|
     # TODO: schema validation
-    arch_def = arch_def_for("_")
+    arch_def = arch_def_for("_64")
     crd = arch_def.crd(crd_name)
     raise "No CRD defined for #{crd_name}" if crd.nil?
 

backends/crd_doc/templates/crd.adoc.erb

@@ -446,7 +446,7 @@ RV64::
 <%- if inst.key?("operation()") -%>
 [source,idl,subs="specialchars,macros"]
 ----
-<%= inst.operation_ast(crd.arch_def.idl_compiler).gen_adoc %>
+<%= inst.operation_ast(crd.arch_def.symtab).gen_adoc %>
 ----
 <%- end -%>