omap: rx51: Remove extra tlv320aic3x.h inclusion

Remove second tlv320aic3x.h inclusion that came along the commit f0fba2a
"ASoC: multi-component - ASoC Multi-Component Support".

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/board-rx51-peripherals.c

@@ -23,7 +23,6 @@
 #include <linux/gpio.h>
 #include <linux/gpio_keys.h>
 #include <linux/mmc/host.h>
-#include <sound/tlv320aic3x.h>
 
 #include <plat/mcspi.h>
 #include <plat/board.h>