Input: remove unneeded 'fast_io' parameter in regmap_config

When using MMIO with regmap, fast_io is implied. No need to set it
again.

Signed-off-by: Wolfram Sang <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/input/touchscreen/fsl-imx25-tcq.c

···
 };
 
 static const struct regmap_config mx25_tcq_regconfig = {
-	.fast_io = true,
 	.max_register = 0x5c,
 	.reg_bits = 32,
 	.val_bits = 32,