mfd: tc6387xb: Drop disable callback that is never called

The driver never calls the disable callback, so drop the member from
the platform struct and all callbacks from the actual platform datas.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220530192430.2108217-4-u.kleine-koenig@pengutronix.de

arch/arm/mach-pxa/eseries.c

@@ -139,7 +139,6 @@ static void __init __maybe_unused eseries_register_clks(void)
 
 static struct tc6387xb_platform_data e330_tc6387xb_info = {
 	.enable   = &eseries_tmio_enable,
-	.disable  = &eseries_tmio_disable,
 	.suspend  = &eseries_tmio_suspend,
 	.resume   = &eseries_tmio_resume,
 };

include/linux/mfd/tc6387xb.h

@@ -12,7 +12,6 @@
 
 struct tc6387xb_platform_data {
 	int (*enable)(struct platform_device *dev);
-	int (*disable)(struct platform_device *dev);
 	int (*suspend)(struct platform_device *dev);
 	int (*resume)(struct platform_device *dev);
 };