docs: Add icm20948 description

Signed-off-by: Maksim Bolgov maksim8024@gmail.com

docs/Config_Reference.md

@@ -1669,6 +1669,25 @@ cs_pin:
 #   measurements.
 ```
 
+### [icm20948]
+
+Support for icm20948 accelerometers.
+
+```
+[icm20948]
+#i2c_address:
+#   Default is 104 (0x68). If AD0 is high, it would be 0x69 instead.
+#i2c_mcu:
+#i2c_bus:
+#i2c_software_scl_pin:
+#i2c_software_sda_pin:
+#i2c_speed: 400000
+#   See the "common I2C settings" section for a description of the
+#   above parameters. The default "i2c_speed" is 400000.
+#axes_map: x, y, z
+#   See the "adxl345" section for information on this parameter.
+```
+
 ### [lis2dw]
 
 Support for LIS2DW accelerometers.