Crypto: Increase more heap size

The last increment of 0x10 bytes would fail attestation tests. Leave
more space in crypto heap to avoid these failures.

Signed-off-by: Ken Liu <ken.liu@arm.com>
Change-Id: I7f8e7b0a90524a4acc06fbc713963f2749f2dae5
diff --git a/secure_fw/partitions/crypto/crypto_init.c b/secure_fw/partitions/crypto/crypto_init.c
index ee4d205..f706395 100644
--- a/secure_fw/partitions/crypto/crypto_init.c
+++ b/secure_fw/partitions/crypto/crypto_init.c
@@ -268,7 +268,7 @@
  *        Crypto for its dynamic allocations
  */
 #ifndef TFM_CRYPTO_ENGINE_BUF_SIZE
-#define TFM_CRYPTO_ENGINE_BUF_SIZE (0x2010) /* >8KB for EC signing in attest */
+#define TFM_CRYPTO_ENGINE_BUF_SIZE (0x2040) /* >8KB for EC signing in attest */
 #endif
 
 /**