dm: Expand and complete Kconfig in drivers/
Expand the help messages for each driver. Add missing Kconfig for I2C,
SPI flash and thermal.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
new file mode 100644
index 0000000..3c6b36d
--- /dev/null
+++ b/drivers/thermal/Kconfig
@@ -0,0 +1,7 @@
+config DM_THERMAL
+ bool "Driver support for thermal devices"
+ help
+ Enable support for temporary-sensing devices. Some SoCs have on-chip
+ temperature sensors to permit warnings, speed throttling or even
+ automatic power-off when the temperature gets too high or low. Other
+ devices may be discrete but connected on a suitable bus.