[ARM] 4362/1: trizeps4 update

This update for trizeps4 SoM contains:
- support for new TFT on more recent ConXS evalboard
- correct partition of flash device
- update of "trizeps4_defconfig"

Signed-off-by: Jrgen Schindele <(linux@schindele.name)>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>