removes attribute packed as it disables word access generation by gcc

include/ehrenberg/devices/gen/gpio.h

@@ -12,7 +12,7 @@
 
 #include <stdint.h>
 
-typedef struct __attribute((__packed__)) {
+typedef struct {
     volatile uint32_t VALUE;
     volatile uint32_t WRITE;
     volatile uint32_t WRITEENABLE;
@@ -116,4 +116,4 @@ inline uint32_t get_gpio_boot_sel_bootSel(volatile gpio_t* reg){
     return (reg->BOOT_SEL >> 0) & 0x7;
 }
 
-#endif /* _BSP_GPIO_H */
+#endif /* _BSP_GPIO_H */