init.rc: Move SD card support to device specific init.rc files

Change-Id: I5745e91df2b7c5722bd6e650931d3d2d7d0eadcb
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/rootdir/etc/init.goldfish.rc b/rootdir/etc/init.goldfish.rc
index 569555c..6f30843 100644
--- a/rootdir/etc/init.goldfish.rc
+++ b/rootdir/etc/init.goldfish.rc
@@ -1,3 +1,9 @@
+on early-init
+    export EXTERNAL_STORAGE /mnt/sdcard
+    mkdir /mnt/sdcard 0000 system system
+    # for backwards compatibility
+    symlink /mnt/sdcard /sdcard
+
 on boot
     setprop ARGH ARGH
     setprop net.eth0.dns1 10.0.2.3