info.c: Fix typos in seed macro name and description string

Fixes: #19996

CLA: trivial

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20001)

crypto/info.c

@@ -131,8 +131,8 @@ DEFINE_RUN_ONCE_STATIC(init_info_strings)
 #ifdef OPENSSL_RAND_SEED_NONE
         add_seeds_string("none");
 #endif
-#ifdef OPENSSL_RAND_SEED_RTDSC
-        add_seeds_string("stdsc");
+#ifdef OPENSSL_RAND_SEED_RDTSC
+        add_seeds_string("rdtsc");
 #endif
 #ifdef OPENSSL_RAND_SEED_RDCPU
 # ifdef __aarch64__