Prepapre for new board revision

Change-Id: I475d6f1f2617ab6aa783e80cdef909c0c633429d
diff --git a/board/czechlight/clearfog/linux.fragment b/board/czechlight/clearfog/linux.fragment
index 4010f68..9aab19c 100644
--- a/board/czechlight/clearfog/linux.fragment
+++ b/board/czechlight/clearfog/linux.fragment
@@ -21,6 +21,13 @@
 # SPI GPIO expander
 CONFIG_PINCTRL_MCP23S08=y
 
+# thermal
+CONFIG_SENSORS_LM75=y
+
+# fan control
+CONFIG_SENSORS_MAX31790=y
+
+# LEDs
 CONFIG_LEDS_TLC591XX=y
 
 # For the Lumentum OCM