dts: stm32: stm32mp15 DH board uses non-secure I2C4 bus

Update stm32mp15 based DH boards DTS file to explicitly use non-secure
I2C4 bus as set in the ETZPC node st,decprot property.

Signed-off-by:

dts: stm32: stm32mp15 DH board uses non-secure I2C4 bus

Update stm32mp15 based DH boards DTS file to explicitly use non-secure
I2C4 bus as set in the ETZPC node st,decprot property.

Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>

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dts: stm32: add the ETZPC configuration table for stm32mp1x boards

Add the tables defining the ETZPC firewall controller configuration
that will be set at boot time on stm32mp1x boards.

Signed-off-

dts: stm32: add the ETZPC configuration table for stm32mp1x boards

Add the tables defining the ETZPC firewall controller configuration
that will be set at boot time on stm32mp1x boards.

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>
Acked-by: Johann Neuhauser <jneuhauser@dh-electronics.com>

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plat-stm32mp1: add STM32MP157C based DHCOM SoM on PDK2 baseboard

The dts(i) files are imported from Linux 5.19-rc6.

Changes made to the imported dts(i) files:
- Drop GPLv2 licensed resources and/or

plat-stm32mp1: add STM32MP157C based DHCOM SoM on PDK2 baseboard

The dts(i) files are imported from Linux 5.19-rc6.

Changes made to the imported dts(i) files:
- Drop GPLv2 licensed resources and/or use their explicit values
- Drop cryp1 okay status as on other boards
- Drop unsupported special rcc clocks definition using comments
- Enable rcc as on other boards
- Allow iwdg2 for usage in non-secure world

Signed-off-by: Johann Neuhauser <jneuhauser@dh-electronics.com>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>

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