scalar: change ratificaiton status of document

- Change document revision status from "Frozen" to "Ratified" and
  update explanatory text.

- Remove "-rc6" from version. It's now v1.0.0.

 On branch master
 Your branch is up-to-date with 'origin/master'.

 Changes to be committed:
	modified:   doc/scalar/riscv-crypto-spec-scalar.adoc

Author: ben-marshall

doc/scalar/riscv-crypto-spec-scalar.adoc

@@ -2,9 +2,9 @@
 = RISC-V Cryptography Extensions Volume I: Scalar & Entropy Source Instructions
 :description: The scalar cryptography and entropy source extensions for the RISC-V ISA.
 :company: RISC-V.org
-:revdate:  12'th October, 2021
-:revnumber: v1.0.0-rc6
-:revremark: This document is in the Frozen state. Change is unlikely but possible, with a high threshold for consideration.
+:revdate:  2'nd December, 2021
+:revnumber: v1.0.0
+:revremark: Ratified
 :url-riscv: http://riscv.org
 :doctype: book
 //:doctype: report
@@ -49,11 +49,9 @@ endif::[]
 This document describes the Scalar Cryptography extensions to the 
 RISC-V Instruction Set Architecture.
 
-This document is in the link:http://riscv.org/spec-state[Frozen state].
-Change is extremely unlikely. A high threshold will be used, and a change
-will only occur because of some truly critical issue being identified during
-the public review cycle. Any other desired or needed changes can be the
-subject of a follow-on new extension.
+This document is in the link:http://riscv.org/spec-state[Ratified state].
+No changes are allowed. Any desired or needed changes can be the subject of a
+follow-on new extension. Ratified extensions are never revised.
 For more information, see link:http://riscv.org/spec-state[here].
 
 [NOTE]