Ranchu device configs.

The minimal set of changes is really only fstab.ranchu
and init.ranchu.rc and ueventd.ranchu.rc.

This device is identical to generic_arm64 except for
the fstab and init files, which can eventually be merged.

Change-Id: Iea936e98138d1d17d5a2456eb223e9d9ecdcc027
diff --git a/fstab.ranchu b/fstab.ranchu
new file mode 100644
index 0000000..cff906f
--- /dev/null
+++ b/fstab.ranchu
@@ -0,0 +1,8 @@
+# Android fstab file.
+#<src>                                                  <mnt_point>         <type>    <mnt_flags and options>                              <fs_mgr_flags>
+# The filesystem that contains the filesystem checker binary (typically /system) cannot
+# specify MF_CHECK, and must come before any filesystems that do specify MF_CHECK
+/dev/block/vda    /system             ext4      ro                                                    wait
+/dev/block/vdb    /cache              ext4      noatime,nosuid,nodev,nomblk_io_submit,errors=panic    wait
+/dev/block/vdc    /data               ext4      noatime,nosuid,nodev,nomblk_io_submit,errors=panic    wait
+#/devices/platform/goldfish_mmc.0                        auto                vfat      defaults                                             voldmanaged=sdcard:auto