ARM64/dts: ginkgo: Force warm reboot in order to preserve mem

Change-Id: Iebbb31b52a9bdea0a500b02ebff345d120ef97c8
[ghostrider-reborn] Adapt to trinket
Signed-off-by: Adithya R <gh0strider.2k18.reborn@gmail.com>
Signed-off-by: danascape <saalimquadri1@gmail.com>
Signed-off-by: danascape <danascape@gmail.com>