usbscsi: Increase the timeout
usbscsi: Increase the timeout

This is necessary for some ax203 devices where the spi flashing is offloaded
to the firmware, and this can take (much) longer then our old timeout.


git-svn-id: 40dd595c6684d839db675001a64203a1457e7319@14108 67ed7778-7388-44ab-90cf-0a291f65f57c

gphoto/libgphoto2.OLDMIGRATION,gphoto/libgphoto2.OLDMIGRATION,gphoto/libgphoto2.OLDMIGRATION,gphoto/libgphoto2.OLDMIGRATION