spi: ppc4xx: Sort headers

Sort the headers in alphabetic order in order to ease
the maintenance for this part.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20240902103203.2476576-1-andriy.shevchenko@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-ppc4xx.c

@@ -20,21 +20,21 @@
  * during SPI transfers by setting max_speed_hz via the device tree.
  */
 
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
 #include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
-#include <linux/errno.h>
 #include <linux/wait.h>
-#include <linux/platform_device.h>
-#include <linux/of_address.h>
-#include <linux/of_platform.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
 
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>
 
-#include <linux/io.h>
 #include <asm/dcr.h>
 #include <asm/dcr-regs.h>