net: ethernet: qualcomm: 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 <wsa+renesas@sang-engineering.com>
Reviewed-by: Luo Jie <jie.luo@oss.qualcomm.com>
Link: https://patch.msgid.link/20260705164208.2184-2-wsa+renesas@sang-engineering.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

drivers/net/ethernet/qualcomm/ppe/ppe.c

diff --git a/drivers/net/ethernet/qualcomm/ppe/ppe.c b/drivers/net/ethernet/qualcomm/ppe/ppe.c
index be74751..3c301e6 100644
--- a/drivers/net/ethernet/qualcomm/ppe/ppe.c
+++ b/drivers/net/ethernet/qualcomm/ppe/ppe.c
@@ -106,7 +106,6 @@ static const struct regmap_config regmap_config_ipq9574 = {
 	.rd_table = &ppe_reg_table,
 	.wr_table = &ppe_reg_table,
 	.max_register = 0xbef800,
-	.fast_io = true,
 };
 
 static int ppe_clock_init_and_reset(struct ppe_device *ppe_dev)