Add PSS to the AVCP regcap.

PSS verification with RSA 1024 is still acceptable. This change adds it
to our regcap. SHA-512 is omitted because that doesn't fit in 1024 bits
with PSS encoding. (Unless you shrink the salt, but we don't want to
deal with odd PSS configurations like that.)

Change-Id: I05d4778d45c25c87e2e50cd095380ecd4f12c75c
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/52427
Commit-Queue: Bob Beck <bbe@google.com>
Reviewed-by: Bob Beck <bbe@google.com>

util/fipstools/acvp/modulewrapper/modulewrapper.cc

@@ -697,6 +697,24 @@ static bool GetConfig(const Span<const uint8_t> args[], ReplyCallback write_repl
               "hashAlg": "SHA-1"
             }]
           }]
+        },{
+          "sigType": "pss",
+          "properties": [{
+            "modulo": 1024,
+            "hashPair": [{
+              "hashAlg": "SHA2-224",
+              "saltLen": 28
+            }, {
+              "hashAlg": "SHA2-256",
+              "saltLen": 32
+            }, {
+              "hashAlg": "SHA2-384",
+              "saltLen": 48
+            }, {
+              "hashAlg": "SHA-1",
+              "saltLen": 20
+            }]
+          }]
         },{
           "sigType": "pss",
           "properties": [{