Add jvt CSR to CSR table (riscv#1808)

Author: trdthg

src/priv-csrs.adoc

@@ -196,6 +196,12 @@ Vector register length in bytes.
 |`seed` +
 |Seed for cryptographic random bit generators. +
 
+4+^|Unprivileged Zcmt Extension CSR
+|`0x017` +
+|URW +
+|`jvt` +
+|Table jump base vector and control register. +
+
 4+^|Unprivileged Counter/Timers
 
 |`0xC00` +

src/zc.adoc

@@ -2368,7 +2368,7 @@ Table jump base vector and control register
 
 Address:
 
-0x0017
+0x017
 
 Permissions: