[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/target/aud8518ap1-emmc-32b-avs-test/target.c b/src/bsp/lk/target/aud8518ap1-emmc-32b-avs-test/target.c
new file mode 100644
index 0000000..1ab1536
--- /dev/null
+++ b/src/bsp/lk/target/aud8518ap1-emmc-32b-avs-test/target.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <platform/nand.h>
+
+#include <platform/mmc_core.h>
+
+extern void platform_memory_init(void);
+
+struct mmc_card *card;
+bool retry_opcond;
+
+void target_early_init(void)
+{
+    card = emmc_init_stage1(&retry_opcond);
+}
+
+void target_init(void)
+{
+    if (card) {
+        emmc_init_stage2(card, retry_opcond);
+    }
+}