Solely use raw X.509 name data references including SEQUENCE header

So far, the CRT frame structure `mbedtls_x509_crt_frame` used
as `issuer_raw` and `subject_raw` the _content_ of the ASN.1
name structure for issuer resp. subject. This was in contrast
to the fields `issuer_raw` and `subject_raw` from the legacy
`mbedtls_x509_crt` structure, and caused some information
duplication by having both variants `xxx_no_hdr` and `xxx_with_hdr`
in `mbedtls_x509_crt` and `mbedtls_x509_crt_frame`.

This commit removes this mismatch by solely using the legacy
form of `issuer_raw` and `subject_raw`, i.e. those _including_
the ASN.1 name header.
diff --git a/include/mbedtls/x509.h b/include/mbedtls/x509.h
index 2a9ce99..e37573f 100644
--- a/include/mbedtls/x509.h
+++ b/include/mbedtls/x509.h
@@ -313,8 +313,8 @@
  * Internal module functions. You probably do not want to use these unless you
  * know you do.
  */
-int mbedtls_x509_get_name( unsigned char **p, const unsigned char *end,
-                   mbedtls_x509_name *cur );
+int mbedtls_x509_get_name( unsigned char *p, size_t len,
+                           mbedtls_x509_name *cur );
 int mbedtls_x509_get_alg_null( unsigned char **p, const unsigned char *end,
                        mbedtls_x509_buf *alg );
 int mbedtls_x509_get_alg( unsigned char **p, const unsigned char *end,
diff --git a/include/mbedtls/x509_crl.h b/include/mbedtls/x509_crl.h
index b035c6c..2950f30 100644
--- a/include/mbedtls/x509_crl.h
+++ b/include/mbedtls/x509_crl.h
@@ -76,7 +76,6 @@
     mbedtls_x509_buf sig_oid;       /**< CRL signature type identifier */
 
     mbedtls_x509_buf_raw issuer_raw;           /**< The raw issuer data (DER). */
-    mbedtls_x509_buf_raw issuer_raw_no_hdr;
 
     mbedtls_x509_name issuer;       /**< The parsed issuer data (named information object). */
 
diff --git a/include/mbedtls/x509_crt.h b/include/mbedtls/x509_crt.h
index 4335ab3..e4b8882 100644
--- a/include/mbedtls/x509_crt.h
+++ b/include/mbedtls/x509_crt.h
@@ -95,9 +95,6 @@
     mbedtls_x509_buf_raw subject_alt_raw;   /**< The raw data for the SubjectAlternativeNames extension.        */
     mbedtls_x509_buf_raw ext_key_usage_raw; /**< The raw data for the ExtendedKeyUsage extension.               */
 
-    mbedtls_x509_buf_raw issuer_raw_with_hdr;
-    mbedtls_x509_buf_raw subject_raw_with_hdr;
-
 } mbedtls_x509_crt_frame;
 
 /* This is an internal structure used for caching parsed data from an X.509 CRT.
@@ -139,9 +136,6 @@
     mbedtls_x509_buf issuer_raw;        /**< The raw issuer data (DER). Used for quick comparison. */
     mbedtls_x509_buf subject_raw;       /**< The raw subject data (DER). Used for quick comparison. */
 
-    mbedtls_x509_buf_raw subject_raw_no_hdr;
-    mbedtls_x509_buf_raw issuer_raw_no_hdr;
-
     mbedtls_x509_name issuer;           /**< The parsed issuer data (named information object). */
     mbedtls_x509_name subject;          /**< The parsed subject data (named information object). */