drivers: sensor_shell: add missing power sensor channel

There is no power channel within the name array that
is used by e.g INA23X so let's add it to have support
in sensor shell commands.

Signed-off-by: Bartosz Bilas <[email protected]>

Author: bbilas

drivers/sensor/sensor_shell.c

@@ -49,6 +49,7 @@ const char *sensor_channel_name[SENSOR_CHAN_ALL] = {
 	[SENSOR_CHAN_GAS_RES] =		"gas_resistance",
 	[SENSOR_CHAN_VOLTAGE] =		"voltage",
 	[SENSOR_CHAN_CURRENT] =		"current",
+	[SENSOR_CHAN_POWER] =		"power",
 	[SENSOR_CHAN_RESISTANCE] =	"resistance",
 	[SENSOR_CHAN_ROTATION] =	"rotation",
 	[SENSOR_CHAN_POS_DX] =		"pos_dx",