staging: ccree: Fix missing blank line after declaration

Fix the following warning found by checkpatch.pl

WARNING: Missing a blank line after declarations
+	struct cc_cipher_handle *blkcipher_handle = drvdata->blkcipher_handle;
+	if (blkcipher_handle) {

Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>