src/drivers: Remove needless '&' on function pointers

Change-Id: I7a99d0dcbc8ea1362a12a68fa519c49058d30a05
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/29868
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/drivers/i2c/nau8825/nau8825.c b/src/drivers/i2c/nau8825/nau8825.c
index 86d4306..3f90512 100644
--- a/src/drivers/i2c/nau8825/nau8825.c
+++ b/src/drivers/i2c/nau8825/nau8825.c
@@ -103,8 +103,8 @@
 	.set_resources		  = DEVICE_NOOP,
 	.enable_resources	  = DEVICE_NOOP,
 #if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
-	.acpi_name                = &nau8825_acpi_name,
-	.acpi_fill_ssdt_generator = &nau8825_fill_ssdt,
+	.acpi_name                = nau8825_acpi_name,
+	.acpi_fill_ssdt_generator = nau8825_fill_ssdt,
 #endif
 };
 
@@ -115,5 +115,5 @@
 
 struct chip_operations drivers_i2c_nau8825_ops = {
 	CHIP_NAME("Nuvoton NAU8825 Codec")
-	.enable_dev = &nau8825_enable
+	.enable_dev = nau8825_enable
 };