configs: phycore_am62x_a53_defconfig: Enable DFU boot

Enable configs required for booting via DFU.
Configs taken from the am62x_a53_usbdfu.config config fragment.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Reviewed-by: Daniel Schultz <d.schultz@phytec.de>
1 file changed