Add changelog entry

src/priv-preface.adoc

@@ -11,23 +11,29 @@ modules:
 |_Machine ISA_ +
 _Supervisor ISA_ +
 _Smrnmi Extension_ +
+*Svade Extension* +
 *Svnapot Extension* + 
 *Svpbmt Extension* +  
 *Svinval Extension* + 
+*Svadu Extension* +
 *Hypervisor ISA*    
 |_1.13_ +
 _1.13_ +
 _0.1_ +
 *1.0* +
 *1.0* +
 *1.0* +
+*1.0* +
+*1.0* +
 *1.0* 
 |_Draft_ +
 _Draft_ +
 _Draft_ +
 *Ratified* +
 *Ratified* +
 *Ratified* +
+*Ratified* +
+*Ratified* +
 *Ratified*
 |===
 
@@ -50,6 +56,7 @@ implemented.
 * Defined hardware error and software check exception codes.
 * Specified synchronization requirements when changing the PBMTE fields
 in `menvcfg` and `henvcfg`.
+* Incorporated Svade and Svadu extension specifications.
 * Clarified that "platform- or custom-use" interrupts are actually
 "platform-use interrupts", where the platform can choose to make some custom.
 * Clarified semantics of explicit accesses to CSRs wider than XLEN bits.