r37505 add support for Huawei HG255D, but it only tested under a community 
hacked u-boot ("lintel u-boot"), which has a different mtd layout compared to 
origin one. If you install it on a box with origin u-boot, the origin factory 
part will be destroyed, and your wifi interface will never up!!!

This patch shrink firmware part in mtd layout to exclude origin factory part, 
and  I will prepare another patch to fix the eeprom extract issue for box with 
origin u-boot.

Signed-off-by: Leon Xu <ylx...@gmail.com>
---
diff -Naur trunk.old/target/linux/ramips/dts/HG255D.dts 
trunk/target/linux/ramips/dts/HG255D.dts
--- trunk.old/target/linux/ramips/dts/HG255D.dts        2013-07-23 
20:23:33.168107000 +0800
+++ trunk/target/linux/ramips/dts/HG255D.dts    2013-07-25 23:28:25.507058009 
+0800
@@ -47,7 +47,13 @@
 
                partition@80000 {
                        label = "firmware";
-                       reg = <0x80000 0xf80000>;
+                       reg = <0x80000 0xf60000>;
+               };
+               
+               partition@fa0000 {
+                       label = "factory-orig";
+                       reg = <0xfa0000 0x20000>;
+                       read-only;
                };
        };
 
diff -Naur trunk.old/target/linux/ramips/image/Makefile 
trunk/target/linux/ramips/image/Makefile
--- trunk.old/target/linux/ramips/image/Makefile        2013-07-24 
20:50:52.531466000 +0800
+++ trunk/target/linux/ramips/image/Makefile    2013-07-25 23:33:59.044850724 
+0800
@@ -114,7 +114,7 @@
 BuildFirmware/Default8M/squashfs=$(call 
BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_8M),$(4))
 BuildFirmware/Default8M/initramfs=$(call 
BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 
-ralink_default_fw_size_16M=16252928
+ralink_default_fw_size_16M=16121856
 BuildFirmware/Default16M/squashfs=$(call 
BuildFirmware/OF,$(1),$(2),$(3),$(ralink_default_fw_size_16M),$(4))
 BuildFirmware/Default16M/initramfs=$(call 
BuildFirmware/OF/initramfs,$(1),$(2),$(3),$(4))
 
--
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