ARM: shmobile: remove unnecessary platform_device as header cleanup

8e0e7aae
(ARM: shmobile: Drop r8a7779_add_device_to_domain())
removed last user of struct platform_device on this header.
It is no longer needed
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/include/mach/r8a7779.h

@@ -11,8 +11,6 @@ enum {
 	HPBDMA_SLAVE_SDHI0_RX,
 };
 
-struct platform_device;
-
 struct r8a7779_pm_ch {
 	unsigned long chan_offs;
 	unsigned int chan_bit;