doc: update CODEOWNERS for doc, misc reviews
Add Nanlin (@NanlinXie) as a reviewer for ACRN documentation.
Add Terry and Shuang (@terryzouhao as the reviewers for misc component.
/hypervisor/ @anthonyzxu @dongyaozu
/devicemodel/ @anthonyzxu @dongyaozu
-/doc/ @dbkinder @deb-intel
-/tools/acrn-crashlog/ @dizhang417 @chengangc
+/doc/ @dbkinder @deb-intel @NanlinXie
+/misc/ @terryzouhao @szhen11
*.rst @dbkinder @deb-intel
