ASoC: SOF: mediatek: remove duplicate include in mt8195.c

Fix following checkincludes.pl warning:
sound/soc/sof/mediatek/mt8195/mt8195.c: linux/of_platform.h is included more than once.
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20220518125902.13407-1-wanjiabing@vivo.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/mediatek/mt8195/mt8195.c

@@ -12,7 +12,6 @@
 #include <linux/delay.h>
 #include <linux/firmware.h>
 #include <linux/io.h>
-#include <linux/of_platform.h>
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>