linux-imx

clocksource/drivers/arm_global_timer: Register delay timer

Provide a delay timer using the lower 32-bits of the global timer so
that we can use that instead of having to calibrating delays.

Signed-off-by: Rabin Vincent <rabin.vincent@axis.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>