oftree: fix probe support

in commit e118761c5f7e8
oftree command: refactor

the Kconfig CMD_OFTREE_PROBE was remove

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
ArchosG9: solve regression in second stage lowlevel init

 On ArchosG9 the second stage low-level init was the fallback default.
 Now that the low-level init is forcibly enabled it has to be skipped
 when already executed from first stage.

Signed-off-by: Vicente Bergas <vicencb@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>