ROM-6881 Usering bootup sd disk made by SDDiskTool.

Step1 Using DebianTool to create update.img

1. Put image to DebianTool\rockdev\image

2. Double click mkupdate.bat. in  DebianTool\rockdev

Then you can find update.img in DebianTool\rockdev.

Step 2 : Create update SD (Red word).

1．Choose the SD device.

2．Choose the "firmware update"

3．Choose the update.img path

4．Create the update SD

Create the Update SD card Success.

Step 3：Insert the SD card into the SD card slot of SOM-DB2510.

1. 将SOM-DB2510的SDIO跳帽设置（金手指P34/P35/P36/P39/P40/P41/P42）