board/ti/am62x-sk: generalize post-build.sh

Removing any explicit reference to the ti_am62x_sk_defconfig
configuration, the script can also be used by other configurations or at
least by ti_am64x_sk_defconfig.

Reviewed-by: Arnout Vandecappelle <arnout@mind.be>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Signed-off-by: Romain Naour <romain.naour@smile.fr>
2 files changed