platform/x86: intel_pmc: Sort headers alphabetically

Sort headers alphabetically for better maintenance.

No functional change.

While here, remove unneeded linux/init.h inclusion.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/platform/x86/intel_pmc_ipc.c

@@ -15,25 +15,24 @@
  * core through IPC mechanism which in turn messaging between IA core ad PMC.
  */
 
-#include <linux/module.h>
+#include <linux/acpi.h>
+#include <linux/atomic.h>
+#include <linux/bitops.h>
 #include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/init.h>
 #include <linux/device.h>
-#include <linux/pm.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/notifier.h>
 #include <linux/pci.h>
 #include <linux/platform_device.h>
-#include <linux/interrupt.h>
+#include <linux/pm.h>
 #include <linux/pm_qos.h>
-#include <linux/kernel.h>
-#include <linux/bitops.h>
 #include <linux/sched.h>
-#include <linux/atomic.h>
-#include <linux/notifier.h>
-#include <linux/suspend.h>
-#include <linux/acpi.h>
-#include <linux/io-64-nonatomic-lo-hi.h>
 #include <linux/spinlock.h>
+#include <linux/suspend.h>
 
 #include <asm/intel_pmc_ipc.h>