davinci: da830 EVM: remove #include <mach/gpio.h>

All that is needed is the existing #include <linux/gpio.h>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-davinci/board-da830-evm.c

@@ -26,7 +26,6 @@
 #include <mach/irqs.h>
 #include <mach/cp_intc.h>
 #include <mach/mux.h>
-#include <mach/gpio.h>
 #include <mach/da8xx.h>
 #include <mach/asp.h>
 #include <mach/usb.h>