ipq806x: add reserved memory node in Netgear R7800

KERNEL BUG: BAD_PAGE_STATE in process appears here and there during intensive memory usage.

Signed-off-by: Pavel Kubelun <[email protected]>

target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8065-r7800.dts

@@ -19,6 +19,11 @@
 			reg = <0x41200000 0x300000>;
 			no-map;
 		};
+
+		rsvd@5fe00000 {
+			reg = <0x5fe00000 0x200000>;
+			reusable;
+		};
 	};
 
 	aliases {