drivers: sensor: Fix syscall name

syscall sensor_sample_fetch was erroneously being defined as
sensor_sample_sample_fetch.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>

drivers/sensor/sensor_handlers.c

diff --git a/drivers/sensor/sensor_handlers.c b/drivers/sensor/sensor_handlers.c
index 94a1e4a..b1e8d08 100644
--- a/drivers/sensor/sensor_handlers.c
+++ b/drivers/sensor/sensor_handlers.c
@@ -15,7 +15,7 @@
 				     (const struct sensor_value *)val);
 }
 
-Z_SYSCALL_HANDLER(sensor_sample_sample_fetch, dev)
+Z_SYSCALL_HANDLER(sensor_sample_fetch, dev)
 {
 	Z_OOPS(Z_SYSCALL_DRIVER_SENSOR(dev, sample_fetch));
 	return _impl_sensor_sample_fetch((struct device *)dev);