platform: msm8996: Enable dload mode for 8996

Add support to enter download mode on 8996 whenever there is a crash
in LK

Change-Id: Id0c62ffa8ec91618e7a577bdbe3a02236bd6ff38
diff --git a/target/msm8996/init.c b/target/msm8996/init.c
index c2c0738..356ef5e 100644
--- a/target/msm8996/init.c
+++ b/target/msm8996/init.c
@@ -435,3 +435,11 @@
 	else
 		return 0;
 }
+
+int set_download_mode(enum dload_mode mode)
+{
+	int ret = 0;
+	ret = scm_dload_mode(mode);
+
+	return ret;
+}