linux-boundary: Upgrade to 3.10.17_1.0.2 patch release (commit f7a1e187)

Update Linux kernel for Boundary Devices boards to match the Freescale
3.10.17_1.0.2 release and use branch boundary-imx_3.10.17_1.0.2_ga

No functional changes are in this update beyond the bug fixes in
the Freescale release.

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