mfd: intel-lpss: Adjust header inclusions

Adjust header inclusions to avoid "proxy" headers and explicitly
include what we are using.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231124200258.3682979-4-andriy.shevchenko@linux.intel.comSigned-off-by: Lee Jones <lee@kernel.org>

drivers/mfd/intel-lpss-acpi.c

@@ -8,15 +8,19 @@
  *          Mika Westerberg <mika.westerberg@linux.intel.com>
  */
 
+#include <linux/device.h>
+#include <linux/gfp_types.h>
 #include <linux/ioport.h>
-#include <linux/kernel.h>
 #include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/pm_runtime.h>
 #include <linux/platform_device.h>
 #include <linux/property.h>
+
 #include <linux/pxa2xx_ssp.h>
 
+#include <asm/errno.h>
+
 #include "intel-lpss.h"
 
 static const struct property_entry spt_spi_properties[] = {

drivers/mfd/intel-lpss-pci.c

@@ -8,14 +8,18 @@
  *          Mika Westerberg <mika.westerberg@linux.intel.com>
  */
 
-#include <linux/ioport.h>
-#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/gfp_types.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/pm_runtime.h>
 #include <linux/property.h>
+
 #include <linux/pxa2xx_ssp.h>
 
+#include <asm/errno.h>
+
 #include "intel-lpss.h"
 
 /* Some DSDTs have an unused GEXP ACPI device conflicting with I2C4 resources */

drivers/mfd/intel-lpss.c

@@ -10,26 +10,33 @@
  *          Jarkko Nikula <jarkko.nikula@linux.intel.com>
  */
 
-#include <linux/clk.h>
+#include <linux/array_size.h>
+#include <linux/bits.h>
 #include <linux/clkdev.h>
+#include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/debugfs.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/gfp_types.h>
 #include <linux/idr.h>
 #include <linux/io.h>
 #include <linux/ioport.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
 #include <linux/mfd/core.h>
+#include <linux/module.h>
 #include <linux/pm_qos.h>
 #include <linux/pm_runtime.h>
-#include <linux/property.h>
-#include <linux/seq_file.h>
+#include <linux/sprintf.h>
+#include <linux/types.h>
+
 #include <linux/io-64-nonatomic-lo-hi.h>
 
 #include <linux/dma/idma64.h>
 
 #include "intel-lpss.h"
 
+struct dentry;
+
 #define LPSS_DEV_OFFSET		0x000
 #define LPSS_DEV_SIZE		0x200
 #define LPSS_PRIV_OFFSET	0x200