sunxi: power: Drop protection against multiple calls from axp221 axp_init()

The only thing axp221.c's axp_init() does which needs protection
against multiple calls is calling pmic_bus_init, and pmic_bus_init()
itself is already protected against being called multiple times.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
1 file changed