spi: spi-ppc4xx: Remove duplicate included header file linux/platform_device.h

The header file linux/platform_device.h is included
twice. Remove the last one.

Signed-off-by: Hongbo Li <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: Hongbo Li

drivers/spi/spi-ppc4xx.c

@@ -30,7 +30,6 @@
 #include <linux/of_platform.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
-#include <linux/platform_device.h>
 
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_bitbang.h>