ARM: dts: switch timer config to common devkit8000 devicetree

ARM: dts: switch timer config to common devkit8000 devicetree

BugLink: https://bugs.launchpad.net/bugs/1964361
[ Upstream commit 64324ef337d0caa5798fa8fa3f6bbfbd3245868a ]

This patch allow lcd43 and lcd70 flavors to benefit from timer
evolution.

Fixes: e428e250fde6 ("ARM: dts: Configure system timers for omap3")
Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>