make_f2fs: issue discard commands on mkfs am: e72a0b95a8
am: fcb6b7dfb2

Change-Id: I524e13ae96f02b4bc671fc18eb5e0243c1307dc3
diff --git a/Android.bp b/Android.bp
index d9d72b4..b0019ac 100644
--- a/Android.bp
+++ b/Android.bp
@@ -35,10 +35,12 @@
 
 cc_defaults {
     name: "libf2fs_src_files",
+    cflags: ["-DWITH_BLKDISCARD"],
     srcs: [
         "lib/libf2fs.c",
         "mkfs/f2fs_format.c",
         "mkfs/f2fs_format_utils.c",
+        "lib/libf2fs_zoned.c",
     ],
 }