configs: imx6dl-mamoj: Add Falcon mode support

Add Falcon mode support to boot Linux directly after SPL.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/board/bticino/mamoj/README b/board/bticino/mamoj/README
index 8b0e9c3..5333c72 100644
--- a/board/bticino/mamoj/README
+++ b/board/bticino/mamoj/README
@@ -15,6 +15,8 @@
 
 2. eMMC boot (via DFU)
 
+3. Falcon mode
+
 1. USB SDP boot:
 ---------------
 
@@ -92,6 +94,31 @@
 
   Poweroff and Poweron the board and see U-Boot booting from eMMC.
 
+3. Falcon mode:
+--------------
+
+  - Skip 10M space and create dual partitions for eMMC, start sector is 20480
+
+    Partition Map for MMC device 2  --   Partition Type: DOS
+
+    Part    Start Sector    Num Sectors     UUID            Type
+      1     20480           131072          c52e78be-01     83
+      2     151552          7581696         c52e78be-02     83
+
+  - Write uImage
+
+    => fatload mmc 2:1 $kernel_addr_r uImage
+    => mmc write $kernel_addr_r 0x1000 0x4000
+
+  - Write dtb and args
+
+    => setenv bootargs console=ttymxc2,115200 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait rw quiet
+    => fatload mmc 2:1 $fdt_addr_r imx6dl-mamoj.dtb
+    => spl export fdt $kernel_addr_r - $fdt_addr_r
+    => mmc write 0x13000000 0x800 0x800
+
+  Poweroff and Poweron the board and see Linux booting directly after SPL.
+
 --
 Jagan Teki <jagan@amarulasolutions.com>
 03/12/18