clocksource: davinci: axe a pointless __GFP_NOFAIL

There is no need to specify __GFP_NOFAIL when allocating memory here, so
axe it.

Signed-off-by: Christophe JAILLET <[e-mail]>
Signed-off-by: Daniel Lezcano <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

drivers/clocksource/timer-davinci.c

···
 	davinci_timer_init(base);
 	tick_rate = clk_get_rate(clk);
 
-	clockevent = kzalloc(sizeof(*clockevent), GFP_KERNEL | __GFP_NOFAIL);
+	clockevent = kzalloc(sizeof(*clockevent), GFP_KERNEL);
 	if (!clockevent)
 		return -ENOMEM;