dt-bindings: irqchip: sti: remove stih415/stih416 and stid127

Remove bindings for the stih415/stih416/stid127 since they are
not supported within the kernel anymore.

Signed-off-by: Alain Volmat <avolmat@me.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230416190950.18929-1-avolmat@me.com
Signed-off-by: Rob Herring <robh@kernel.org>

Author: Alain Volmat

Documentation/devicetree/bindings/interrupt-controller/st,sti-irq-syscfg.txt

@@ -6,11 +6,7 @@ and PL310 L2 Cache IRQs are controlled using System Configuration registers.
 This driver is used to unmask them prior to use.
 
 Required properties:
-- compatible	: Should be set to one of:
-			"st,stih415-irq-syscfg"
-			"st,stih416-irq-syscfg"
-			"st,stih407-irq-syscfg"
-			"st,stid127-irq-syscfg"
+- compatible	: Should be "st,stih407-irq-syscfg"
 - st,syscfg	: Phandle to Cortex-A9 IRQ system config registers
 - st,irq-device	: Array of IRQs to enable - should be 2 in length
 - st,fiq-device	: Array of FIQs to enable - should be 2 in length
@@ -25,11 +21,10 @@ Optional properties:
 Example:
 
 irq-syscfg {
-	compatible    = "st,stih416-irq-syscfg";
+	compatible    = "st,stih407-irq-syscfg";
 	st,syscfg     = <&syscfg_cpu>;
 	st,irq-device = <ST_IRQ_SYSCFG_PMU_0>,
 			<ST_IRQ_SYSCFG_PMU_1>;
 	st,fiq-device = <ST_IRQ_SYSCFG_DISABLED>,
 			<ST_IRQ_SYSCFG_DISABLED>;
-	st,invert-ext = <(ST_IRQ_SYSCFG_EXT_1_INV | ST_IRQ_SYSCFG_EXT_3_INV)>;
 };