[nrf fromtree] bootutil: Fix ASN1 bypass not building

One of includes is not available when bypassing ASN1 encoding
as mbedTLS is no longer enabled for compilation.

Discovered with zephyr, but common for other platforms, after
recent changes in CMakeLists.txt.

Signed-off-by: Dominik Ermel <[email protected]>
(cherry picked from commit a01ca4c)

Author: de-nordic

boot/bootutil/src/image_ed25519.c

@@ -18,10 +18,10 @@
 #define MBEDTLS_ASN1_PARSE_C
 #include "mbedtls/oid.h"
 #include "mbedtls/asn1.h"
+#include "bootutil/crypto/common.h"
 #endif
 
 #include "bootutil_priv.h"
-#include "bootutil/crypto/common.h"
 #include "bootutil/crypto/sha.h"
 
 #define EDDSA_SIGNATURE_LENGTH 64