stm32mp157c-dk2 has not enough memory to build this apps.
However as the stm32mp157xx cpu line has no flash, a part of RAM
is considered as ROM. Thus ROM size could be extend to suit this
apps needs.
Signed-off-by: Gilles DOFFE <gilles.doffe@savoirfairelinux.com>
With https://github.com/RIOT-OS/RIOT/pull/14224 the idle thread became
optional, so the main thread can have either 1 or 2 as PID, depending
if the idle thread is included or not. As this might also change in the
future, it is probably the best to just expect any number.
