soc/amd/picasso/uart: move uart_inject_ssdt to common code

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ic033fc2817d44ff873f93a45e069c0e8aa0be99f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50780
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>

src/soc/amd/picasso/uart.c

@@ -1,6 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
-#include <acpi/acpigen.h>
 #include <console/console.h>
 #include <commonlib/helpers.h>
 #include <device/device.h>
@@ -103,16 +102,6 @@ static void uart_enable(struct device *dev)
 	}
 }
 
-/* This gets called for both enabled and disabled devices. */
-static void uart_inject_ssdt(const struct device *dev)
-{
-	acpigen_write_scope(acpi_device_path(dev));
-
-	acpigen_write_STA(acpi_device_status(dev));
-
-	acpigen_pop_len(); /* Scope */
-}
-
 struct device_operations picasso_uart_mmio_ops = {
 	.read_resources = noop_read_resources,
 	.set_resources = noop_set_resources,