m68k/defconfig: Update defconfigs for v5.0-rc1

Actual changes:
    -CONFIG_IOSCHED_DEADLINE=m
    -CONFIG_BATMAN_ADV_MCAST=y
    -# CONFIG_SCSI_MQ_DEFAULT is not set
    +CONFIG_CRYPTO_ADIANTUM=m
    +CONFIG_CRYPTO_STREEBOG=m

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>