u-boot-script-boundary: update to f87025237 (v2014.07)

Update to Boundary Devices U-Boot boot scripts 2014.07 tree.

This update brings the boot scripts in line with the U-Boot
package (u-boot-boundary) and also contains a number of
enhancements:

        - Adds support for 1024x600 panel with Ilitek touch screen
        - nit6xlite: fixes bug in quoting bootargs
        - nitrogen6x: fixes calculation of DTB name for Solo/Dual-Lite
        - nitrogen6x/sabrelite/nitrogen6_max: add disable_giga parameter
        to allow a user to force 10/100 operation of the ethernet port

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>