ipq806x: fix missing compatible and rename

- ipq8064 compatible was missing from nbg6817.
- Rename ap148 with a better descriptive name.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
[proper authorship of the patch]
Signed-off-by: Petr Štetiar <ynezz@true.cz>

target/linux/ipq806x/files-4.19/arch/arm/boot/dts/qcom-ipq8064-ap148.dts

@@ -1,7 +1,7 @@
 #include "qcom-ipq8064-v1.0.dtsi"
 
 / {
-	model = "Qualcomm IPQ8064/AP148";
+	model = "Qualcomm Technologies, Inc. IPQ8064/AP-148";
 	compatible = "qcom,ipq8064-ap148", "qcom,ipq8064";
 
 	memory@0 {

target/linux/ipq806x/files-4.19/arch/arm/boot/dts/qcom-ipq8065-nbg6817.dts

@@ -4,7 +4,7 @@
 
 / {
 	model = "ZyXEL NBG6817";
-	compatible = "zyxel,nbg6817", "qcom,ipq8065";
+	compatible = "zyxel,nbg6817", "qcom,ipq8065", "qcom,ipq8064";
 
 	memory@0 {
 		reg = <0x42000000 0x1e000000>;