ARM: dts: stm32: add seeed studio odyssey-stm32mp157c board

This commit adds device tree files supporting
SBC from Seeed Studio based on STM32MP157C.

This works with generic stm32mp1 config.
Right now only booting from SD card is supported.

Signed-off-by: Marcin Sloniewski <marcin.sloniewski@gmail.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index f01eb7b..d573cc6 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -937,6 +937,7 @@
 	stm32mp157c-dk2.dtb \
 	stm32mp157c-ed1.dtb \
 	stm32mp157c-ev1.dtb \
+	stm32mp157c-odyssey.dtb \
 	stm32mp15xx-dhcom-pdk2.dtb \
 	stm32mp15xx-dhcor-avenger96.dtb