Change version number to 2.2.1

Changed version for library files and yotta module
diff --git a/include/mbedtls/version.h b/include/mbedtls/version.h
index df2a1a7..ea2966e 100644
--- a/include/mbedtls/version.h
+++ b/include/mbedtls/version.h
@@ -39,16 +39,16 @@
  */
 #define MBEDTLS_VERSION_MAJOR  2
 #define MBEDTLS_VERSION_MINOR  2
-#define MBEDTLS_VERSION_PATCH  0
+#define MBEDTLS_VERSION_PATCH  1
 
 /**
  * The single version number has the following structure:
  *    MMNNPP00
  *    Major version | Minor version | Patch version
  */
-#define MBEDTLS_VERSION_NUMBER         0x02020000
-#define MBEDTLS_VERSION_STRING         "2.2.0"
-#define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 2.2.0"
+#define MBEDTLS_VERSION_NUMBER         0x02020100
+#define MBEDTLS_VERSION_STRING         "2.2.1"
+#define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 2.2.1"
 
 #if defined(MBEDTLS_VERSION_C)