CryptoPkg/OpensslLib: Fix few typos

Fix few typos in comments.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Xiaoyu Lu <xiaoyux.lu@intel.com>
Signed-off-by: Antoine Coeur <coeur@gmx.fr>
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
Signed-off-by: Philippe Mathieu-Daude <philmd@redhat.com>
Message-Id: <20200207010831.9046-2-philmd@redhat.com>

CryptoPkg/Library/OpensslLib/rand_pool_noise.c

@@ -22,7 +22,7 @@ GetRandomNoise64 (
   )
 {
   //
-  // Return FALSE will fallback to use PerformaceCounter to
+  // Return FALSE will fallback to use PerformanceCounter to
   // generate noise.
   //
   return FALSE;