dt-bindings: aspeed: Remove mention of deprecated compatibles

Guide readers away from using the aspeed,g[45].* compatible patterns.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20190724081313.12934-4-andrew@aj.id.au
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/mfd/aspeed-scu.txt

@@ -4,9 +4,7 @@ configuring elements such as clocks, pinmux, and reset.
 Required properties:
 - compatible:	One of:
 		"aspeed,ast2400-scu", "syscon", "simple-mfd"
-		"aspeed,g4-scu", "syscon", "simple-mfd"
 		"aspeed,ast2500-scu", "syscon", "simple-mfd"
-		"aspeed,g5-scu", "syscon", "simple-mfd"
 
 - reg:		contains the offset and length of the SCU memory region
 - #clock-cells: should be set to <1> - the system controller is also a

Documentation/devicetree/bindings/misc/aspeed-p2a-ctrl.txt

@@ -26,9 +26,7 @@ property:
 
 - compatible : Should be one of the following:
 		"aspeed,ast2400-scu", "syscon", "simple-mfd"
-		"aspeed,g4-scu", "syscon", "simple-mfd"
 		"aspeed,ast2500-scu", "syscon", "simple-mfd"
-		"aspeed,g5-scu", "syscon", "simple-mfd"
 
 Example
 ===================

Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml

@@ -15,16 +15,13 @@ description: |+
 
   - compatible:     Should be one of the following:
                     "aspeed,ast2400-scu", "syscon", "simple-mfd"
-                    "aspeed,g4-scu", "syscon", "simple-mfd"
 
   Refer to the the bindings described in
   Documentation/devicetree/bindings/mfd/syscon.txt
 
 properties:
   compatible:
-    enum:
-      - aspeed,ast2400-pinctrl
-      - aspeed,g4-pinctrl
+    const: aspeed,ast2400-pinctrl
 
 patternProperties:
   '^.*$':

Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml

@@ -22,9 +22,7 @@ description: |+
 
 properties:
   compatible:
-    enum:
-      - aspeed,ast2500-pinctrl
-      - aspeed,g5-pinctrl
+    const: aspeed,ast2500-pinctrl
   aspeed,external-nodes:
     minItems: 2
     maxItems: 2