[PATCH] doc: board: ti: Add defconfigs for AM69-SK

[Mattijs Korpershoek]

The J784S4 and AM69 Platforms page only details the defconfigs for
J784S4.

Mention the ones needed for AM69-SK as well, to guide users on how to
build for that board.

Signed-off-by: Mattijs Korpershoek <mkorpershoek at kernel.org>
---
 doc/board/ti/j784s4_evm.rst | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/doc/board/ti/j784s4_evm.rst b/doc/board/ti/j784s4_evm.rst
index 349fb394d747ac1f98b5a4af092bede60c5ed06a..22442874110d29d862ee79b1666e50269645a2f2 100644
--- a/doc/board/ti/j784s4_evm.rst
+++ b/doc/board/ti/j784s4_evm.rst
@@ -90,6 +90,15 @@ Set the variables corresponding to this platform:
    export OPTEE_PLATFORM=k3-j784s4
    export OPTEE_EXTRA_ARGS="CFG_CONSOLE_UART=0x8"
 
+.. note::
+
+   For AM69-SK, use the following U_BOOT_CFG instead:
+
+   .. prompt:: bash
+
+      export UBOOT_CFG_CORTEXR=am69_sk_r5_defconfig
+      export UBOOT_CFG_CORTEXA=am69_sk_a72_defconfig
+
 .. j784s4_evm_rst_include_start_build_steps
 
 1. Trusted Firmware-A

---
base-commit: 59e6462d7c08eeba744afa0f17846c398b8ef9e1
change-id: 20250625-doc-ti-am69-d20d1529f376

Best regards,
-- 
Mattijs Korpershoek <mkorpershoek at kernel.org>