Add bootph-all property in ltdc node to fix the following issue:

...
DRAM:  2 GiB
Video device 'display-controller@48010000' cannot allocate frame buffer memory 
- ensure the device is set up before relocation
initcall_run_r(): initcall initr_dm() failed

Fixes: d0a838bdc629 ("Subtree merge tag 'v7.1-dts' of dts repo [1] into 
dts/upstream")

Signed-off-by: Patrice Chotard <[email protected]>
---
 arch/arm/dts/stm32mp235f-dk-u-boot.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/dts/stm32mp235f-dk-u-boot.dtsi 
b/arch/arm/dts/stm32mp235f-dk-u-boot.dtsi
index 2b41bd29cca..16c9bc652a4 100644
--- a/arch/arm/dts/stm32mp235f-dk-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp235f-dk-u-boot.dtsi
@@ -19,6 +19,10 @@
        };
 };
 
+&ltdc {
+       bootph-all;
+};
+
 &usart2 {
        bootph-all;
 };

-- 
2.43.0

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