[U-Boot] [PATCH 1/4] Raspberry Pi: add device tree overlay support

[Peter Robinson <pbrobinson@gmail.com>]

Raspberry Pi has numerous HAT and other HW expansion options such as screens and
cameras some of which need overlays from the beginning so it makes sense to
enable evice tree overlays.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
---
 configs/rpi_2_defconfig     | 2 ++
 configs/rpi_3_32b_defconfig | 2 ++
 configs/rpi_3_defconfig     | 2 ++
 configs/rpi_defconfig       | 2 ++
 4 files changed, 8 insertions(+)

diff --git a/configs/rpi_2_defconfig b/configs/rpi_2_defconfig
index f8b3ed49a9..be3e5e7e7d 100644
--- a/configs/rpi_2_defconfig
+++ b/configs/rpi_2_defconfig
@@ -25,3 +25,5 @@ CONFIG_DM_VIDEO=y
 CONFIG_SYS_WHITE_ON_BLACK=y
 CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_PHYS_TO_BUS=y
+CONFIG_OF_LIBFDT=y
+CONFIG_OF_LIBFDT_OVERLAY=y
diff --git a/configs/rpi_3_32b_defconfig b/configs/rpi_3_32b_defconfig
index 490af818b6..f0c9f49799 100644
--- a/configs/rpi_3_32b_defconfig
+++ b/configs/rpi_3_32b_defconfig
@@ -27,3 +27,5 @@ CONFIG_DM_VIDEO=y
 CONFIG_SYS_WHITE_ON_BLACK=y
 CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_PHYS_TO_BUS=y
+CONFIG_OF_LIBFDT=y
+CONFIG_OF_LIBFDT_OVERLAY=y
diff --git a/configs/rpi_3_defconfig b/configs/rpi_3_defconfig
index 4c0eb049b2..9709d53a0a 100644
--- a/configs/rpi_3_defconfig
+++ b/configs/rpi_3_defconfig
@@ -27,3 +27,5 @@ CONFIG_DM_VIDEO=y
 CONFIG_SYS_WHITE_ON_BLACK=y
 CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_PHYS_TO_BUS=y
+CONFIG_OF_LIBFDT=y
+CONFIG_OF_LIBFDT_OVERLAY=y
diff --git a/configs/rpi_defconfig b/configs/rpi_defconfig
index 1b954fe2b7..4aa2d3eaf7 100644
--- a/configs/rpi_defconfig
+++ b/configs/rpi_defconfig
@@ -25,3 +25,5 @@ CONFIG_DM_VIDEO=y
 CONFIG_SYS_WHITE_ON_BLACK=y
 CONFIG_CONSOLE_SCROLL_LINES=10
 CONFIG_PHYS_TO_BUS=y
+CONFIG_OF_LIBFDT=y
+CONFIG_OF_LIBFDT_OVERLAY=y
-- 
2.13.0