dts: stm32mp157c: add etzpc node

Add a node for the ETZPC device so that driver initializes during
stm32mp15* boot sequence.

Change-Id: I84bf10572e5df7b8f450163c79bcfe6956fc838f
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
1 file changed