Define CKA_CERTIFICATE_CATEGORY constants

As discussed earlier on the mailing list, following are the set of modifications to the specification to be made in order to add constants for CKA_CERTIFICATE_CATEGORY.
Since providing a clear diff of a docx file is challenging, I hope that the following format indicating which paragraphs should be added/replaced in which sections is sufficiently clear.
Cheers, Stef 6.4 Object types *** new item to be added o CK_CERTIFICATE_CATEGORY CK_CERTIFICATE_CATEGORY is a value that identifies a certificate category.
It is defined as follows: typedef CK_ULONG CK_CERTIFICATE_CATEGORY; For this version of Cryptoki, the following certificate categories are defined: CKV_CATEGORY_UNSPECIFIED CKV_CATEGORY_TOKEN_USER CKV_CATEGORY_AUTHORITY CKV_CATEGORY_OTHER_ENTITY 7.6.2 Overview *** table row to be updated CKA_CERTIFICATE_CATEGORY CK_CERTIFICATE_CATEGORY Categorization of the certificate.
(default CKV_CATEGORY_UNSPECIFIED)