README: document the CONFIG_GPIO_LED symbol
The CONFIG_GPIO_LED symbol does not have any documentation in the README
file. Document the CONFIG_GPIO_LED symbol.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
diff --git a/README b/README
index c97ff0a..7b393b7 100644
--- a/README
+++ b/README
@@ -1963,6 +1963,14 @@
kernel). Defining CONFIG_STATUS_LED enables this
feature in U-Boot.
+ Additional options:
+
+ CONFIG_GPIO_LED
+ The status LED can be connected to a GPIO pin.
+ In such cases, the gpio_led driver can be used as a
+ status LED backend implementation. Define CONFIG_GPIO_LED
+ to include the gpio_led driver in the U-Boot binary.
+
- CAN Support: CONFIG_CAN_DRIVER
Defining CONFIG_CAN_DRIVER enables CAN driver support