bmi160: fix compile warning and %zu replace %u

VELAPLATFO-45270

nuttx/drivers/sensors/bmi160.c: In function ‘bmi160_set_normal_imu’:
nuttx/drivers/sensors/bmi160.c:79:3: warning: implicit declaration of function ‘up_mdelay’ [-Wimplicit-function-declaration]
   79 |   up_mdelay(30);
      |   ^~~~~~~~~

Signed-off-by: zhangshoukui <zhangshoukui@xiaomi.com>

drivers/sensors/bmi160.c

@@ -147,7 +147,7 @@ static ssize_t bmi160_read(FAR struct file *filep, FAR char *buffer,
 
   if (len < sizeof(struct accel_gyro_st_s))
     {
-      snerr("Expected buffer size is %u\n", sizeof(struct accel_gyro_st_s));
+      snerr("Expected buffer size is %zu\n", sizeof(struct accel_gyro_st_s));
       return 0;
     }
 

drivers/sensors/bmi160_base.h

@@ -27,6 +27,7 @@
 
 #include <nuttx/config.h>
 
+#include <nuttx/arch.h>
 #include <nuttx/fs/fs.h>
 #include <nuttx/kmalloc.h>
 #include <nuttx/spi/spi.h>