Restore individual boards

Will be useful for troubleshooting merged board. No changes
to boards except to change machine/USB gadget names.

* cooperve: GT-S5830I_CHN_GB_Opensource.zip
* tassve: GT-S5570I_GB_Opensource_Update1.zip
* totoro: GT-S5360_GB_Opensource_Update3.zip

Change-Id: Iae71ea5cf859350192195cd5971f2e18689b39dc