hwmon: (lm75) Replace kernel.h with the necessary inclusions

When kernel.h is used in the headers it adds a lot into dependency hell,
especially when there are circular dependencies are involved.

Replace kernel.h inclusion with the list of what is really being used.

Signed-off-by: Christophe JAILLET <[e-mail]>
Link: https://lore.kernel.org/r/4e07ed4327[e-mail]
Signed-off-by: Guenter Roeck <[e-mail]>

drivers/hwmon/lm75.h

···
  * which contains this code, we don't worry about the wasted space.
  */
 
-#include <linux/kernel.h>
+#include <linux/minmax.h>
+#include <linux/types.h>
 
 /* straight from the datasheet */
 #define LM75_TEMP_MIN (-55000)