From: Patrice Chotard <patrice.chot...@st.com>

Add fake reg property to irq-syscfg node.
This allows to fix the following warning when compiling
dtb with W=1 option:

arch/arm/boot/dts/stih407-b2120.dtb: Warning (simple_bus_reg):
Node /soc/irq-syscfg missing or empty reg/ranges property
arch/arm/boot/dts/stih410-b2120.dtb: Warning (simple_bus_reg):
Node /soc/irq-syscfg missing or empty reg/ranges property
arch/arm/boot/dts/stih410-b2260.dtb: Warning (simple_bus_reg):
Node /soc/irq-syscfg missing or empty reg/ranges property
arch/arm/boot/dts/stih418-b2199.dtb: Warning (simple_bus_reg):
Node /soc/irq-syscfg missing or empty reg/ranges property

Signed-off-by: Patrice Chotard <patrice.chot...@st.com>
---

v2: _ add a fake reg property to node without reg property

 arch/arm/boot/dts/stih407-family.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/stih407-family.dtsi 
b/arch/arm/boot/dts/stih407-family.dtsi
index e279cd07ba67..c8dc659fd14e 100644
--- a/arch/arm/boot/dts/stih407-family.dtsi
+++ b/arch/arm/boot/dts/stih407-family.dtsi
@@ -181,8 +181,9 @@
                        reg = <0x94b5100 0x1000>;
                };
 
-               irq-syscfg {
+               irq-syscfg@0 {
                        compatible    = "st,stih407-irq-syscfg";
+                       reg = <0 0>;
                        st,syscfg     = <&syscfg_core>;
                        st,irq-device = <ST_IRQ_SYSCFG_PMU_0>,
                                        <ST_IRQ_SYSCFG_PMU_1>;
-- 
1.9.1

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