include: env: ti: mmc: envboot: Only attempt boot.scr if BOOTSTD is not enabled

'script' bootmethod that should be used with CONFIG_BOOTSTD.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
1 file changed