Update spec/std/isa/csr/V/vxrm.yaml

Co-authored-by: Paul Clarke <[email protected]>
Signed-off-by: Jennifer Dupaquier <[email protected]>

Author: jmawet

spec/std/isa/csr/V/vxrm.yaml

@@ -41,6 +41,6 @@ fields:
       ! 11 ! rod ! round-to-odd (OR bits into LSB, aka "jam") ! \!v[d] & v[d-1:0]\!=0
 
     sw_write(csr_value): |
-      return csr_value.VALUE & (VLEN - 1);
+      return csr_value.VALUE & 2b'11;
     type: RW-H
     reset_value: UNDEFINED_LEGAL