fix(data): a few more instructions need a few more parens (riscv-software-src#868)

Author: ThinkOpenly

backends/instructions_appendix/all_instructions.golden.adoc

@@ -37213,7 +37213,7 @@ Synopsis::
 No synopsis available
 
 Assembly::
-vs1r.v vs3, xs1
+vs1r.v vs3, (xs1)
 
 Encoding::
 [wavedrom, ,svg,subs='attributes',width="100%"]
@@ -37250,7 +37250,7 @@ Synopsis::
 No synopsis available
 
 Assembly::
-vs2r.v vs3, xs1
+vs2r.v vs3, (xs1)
 
 Encoding::
 [wavedrom, ,svg,subs='attributes',width="100%"]
@@ -37287,7 +37287,7 @@ Synopsis::
 No synopsis available
 
 Assembly::
-vs4r.v vs3, xs1
+vs4r.v vs3, (xs1)
 
 Encoding::
 [wavedrom, ,svg,subs='attributes',width="100%"]
@@ -37324,7 +37324,7 @@ Synopsis::
 No synopsis available
 
 Assembly::
-vs8r.v vs3, xs1
+vs8r.v vs3, (xs1)
 
 Encoding::
 [wavedrom, ,svg,subs='attributes',width="100%"]

spec/std/isa/inst/V/vs1r.v.yaml

@@ -10,7 +10,7 @@ long_name: No synopsis available
 description: |
   No description available.
 definedBy: V
-assembly: vs3, xs1
+assembly: vs3, (xs1)
 encoding:
   match: 000000101000-----000-----0100111
   variables:

spec/std/isa/inst/V/vs2r.v.yaml

@@ -10,7 +10,7 @@ long_name: No synopsis available
 description: |
   No description available.
 definedBy: V
-assembly: vs3, xs1
+assembly: vs3, (xs1)
 encoding:
   match: 001000101000-----000-----0100111
   variables:

spec/std/isa/inst/V/vs4r.v.yaml

@@ -10,7 +10,7 @@ long_name: No synopsis available
 description: |
   No description available.
 definedBy: V
-assembly: vs3, xs1
+assembly: vs3, (xs1)
 encoding:
   match: 011000101000-----000-----0100111
   variables:

spec/std/isa/inst/V/vs8r.v.yaml

@@ -10,7 +10,7 @@ long_name: No synopsis available
 description: |
   No description available.
 definedBy: V
-assembly: vs3, xs1
+assembly: vs3, (xs1)
 encoding:
   match: 111000101000-----000-----0100111
   variables: