Documentation: Add FIT payload documentation

Describe the new uImage.FIT loader.

Change-Id: I8b2060f2a63406669196bcbc190cc1511ae9fe94
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/27253
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/Documentation/index.md b/Documentation/index.md
index a75edde2b1..b20eedc10f 100644
--- a/Documentation/index.md
+++ b/Documentation/index.md
@@ -18,6 +18,7 @@ Contents:
 * [Northbridge-specific documentation](northbridge/index.md)
 * [System on Chip-specific documentation](soc/index.md)
 * [Mainboard-specific documentation](mainboard/index.md)
+* [Payload-specific documentation](lib/payloads/index.md)
 * [SuperIO-specific documentation](superio/index.md)
 * [Vendorcode-specific documentation](vendorcode/index.md)
 * [Utilities](util.md)