Add smpmpdeleg keyword for smpmpdeleg extension

Signed-off-by: Binno <binno.shen@sifive.com>

disasm/isa_parser.cc

@@ -150,7 +150,8 @@ static const extension_info_t extension_infos[] = {
   {"zkr", {EXT_ZKR}},
   {"zkt"},
   {"smepmp", {EXT_SMEPMP}},
-  {"sspmp", {EXT_SSPMP, EXT_SMPMPDELEG, EXT_SMCSRIND, EXT_SSCSRIND}},
+  {"smpmpdeleg", {EXT_SMPMPDELEG}},
+  {"sspmp", {EXT_SSPMP, EXT_SMCSRIND, EXT_SSCSRIND}, {"smpmpdeleg"}},
   {"sspmpen", {EXT_SSPMPEN}},
   {"smstateen", {EXT_SMSTATEEN}},
   {"smpmpmt", {EXT_SMPMPMT}},