x86/platform/intel-mid: Remove unused leftovers (msic_gpio)

There is no driver present, remove the device creation and other
leftovers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

arch/x86/platform/intel-mid/device_libs/Makefile

@@ -8,7 +8,6 @@ obj-$(subst m,y,$(CONFIG_BRCMFMAC_SDIO)) += platform_bcm43xx.o
 obj-$(subst m,y,$(CONFIG_BT_HCIUART_BCM)) += platform_bt.o
 # IPC Devices
 obj-$(subst m,y,$(CONFIG_MFD_INTEL_MSIC)) += platform_msic.o
-obj-$(subst m,y,$(CONFIG_GPIO_MSIC)) += platform_msic_gpio.o
 obj-$(subst m,y,$(CONFIG_INTEL_MID_POWER_BUTTON)) += platform_msic_power_btn.o
 obj-$(subst m,y,$(CONFIG_INTEL_MFLD_THERMAL)) += platform_msic_thermal.o
 # SPI Devices

arch/x86/platform/intel-mid/device_libs/platform_msic_gpio.c

-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * platform_msic_gpio.c: MSIC GPIO platform data initialization file
- *
- * (C) Copyright 2013 Intel Corporation
- * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com>
- */
-
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/scatterlist.h>
-#include <linux/sfi.h>
-#include <linux/init.h>
-#include <linux/gpio.h>
-#include <linux/mfd/intel_msic.h>
-#include <asm/intel-mid.h>
-
-#include "platform_msic.h"
-
-static void __init *msic_gpio_platform_data(void *info)
-{
-	static struct intel_msic_gpio_pdata msic_gpio_pdata;
-
-	int gpio = get_gpio_by_name("msic_gpio_base");
-
-	if (gpio < 0)
-		return NULL;
-
-	msic_gpio_pdata.gpio_base = gpio;
-	msic_pdata.gpio = &msic_gpio_pdata;
-
-	return msic_generic_platform_data(info, INTEL_MSIC_BLOCK_GPIO);
-}
-
-static const struct devs_id msic_gpio_dev_id __initconst = {
-	.name = "msic_gpio",
-	.type = SFI_DEV_TYPE_IPC,
-	.delay = 1,
-	.msic = 1,
-	.get_platform_data = &msic_gpio_platform_data,
-};
-
-sfi_device(msic_gpio_dev_id);