app/test: fix error message allocation typo

This patch fixes a typo in the `test_cryptodev.c` file where "out-op" was
incorrectly used instead of "out-of-place" on three separate occasions.

Fixes: f3dbf94 ("app/test: check SGL on QAT")
Fixes: 4322009 ("test/crypto: add PDCP cases for scatter gather")
Cc: stable@dpdk.org

Signed-off-by: Joel Kavanagh <joel.kavanagh@intel.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>

app/test/test_cryptodev.c

@@ -9428,7 +9428,7 @@ static int test_pdcp_proto(int i, int oop, enum rte_crypto_cipher_operation opc,
 	/* Out of place support */
 	if (oop) {
 		/*
-		 * For out-op-place we need to alloc another mbuf
+		 * For out-of-place we need to alloc another mbuf
 		 */
 		ut_params->obuf = rte_pktmbuf_alloc(ts_params->mbuf_pool);
 		rte_pktmbuf_append(ut_params->obuf, output_vec_len);
@@ -9637,7 +9637,7 @@ test_pdcp_proto_SGL(int i, int oop,
 	/* Out of place support */
 	if (oop) {
 		/*
-		 * For out-op-place we need to alloc another mbuf
+		 * For out-of-place we need to alloc another mbuf
 		 */
 		ut_params->obuf = rte_pktmbuf_alloc(ts_params->mbuf_pool);
 		rte_pktmbuf_append(ut_params->obuf, frag_size_oop);
@@ -16831,7 +16831,7 @@ test_authenticated_encryption_SGL(const struct aead_test_data *tdata,
 	}
 
 	/*
-	 * For out-op-place we need to alloc another mbuf
+	 * For out-of-place we need to alloc another mbuf
 	 */
 	if (oop) {
 		ut_params->obuf = rte_pktmbuf_alloc(ts_params->mbuf_pool);