soc/amd/picasso: Drop the addition of I2S machine device from ACP driver

I2S machine device has its own driver now. So, this change drops the
support for adding I2S machine device ACPI node from ACP driver.

BUG=b:157708581

Change-Id: I9069d92ae991e05fddcc7d45a2fd21e98c3b0de8
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43544
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/amd/picasso/chip.h

@@ -11,7 +11,6 @@
 #include <soc/i2c.h>
 #include <soc/iomap.h>
 #include <soc/southbridge.h>
-#include <acpi/acpi_device.h>
 #include <arch/x86/include/arch/smp/mpspec.h> /* point from top level */
 
 /*
@@ -75,9 +74,6 @@ struct soc_amd_picasso_config {
 		uint8_t flags;
 	} irq_override[16];
 
-	/* DMIC select GPIO for I2S machine driver AMDI5682 */
-	struct acpi_gpio dmic_select_gpio;
-
 	/* Options for these are in src/arch/x86/include/acpi/acpi.h */
 	uint16_t fadt_boot_arch;
 	uint32_t fadt_flags;