bcm63xx: R5010UNv2: fix flash partitions for 16MB flash

The router Nucom R5010UN v2 has the partitions defined for a 8MB flash,
but the flash chip is 16MB size. We are wasting half of the flash.

Fix it and use generic names for partitions.

Fixes: 474cde6123 ("brcm63xx: probe SPI flash through DT")

Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>

target/linux/bcm63xx/dts/bcm6328-nucom-r5010un-v2.dts

@@ -94,20 +94,20 @@
 			#address-cells = <1>;
 			#size-cells = <1>;
 
-			cfe@0 {
+			partition@0 {
 				reg = <0x000000 0x010000>;
 				label = "cfe";
 				read-only;
 			};
 
-			linux@10000 {
-				reg = <0x010000 0x7e0000>;
+			partition@10000 {
+				reg = <0x010000 0xfe0000>;
 				label = "linux";
 				compatible = "brcm,bcm963xx-imagetag";
 			};
 
-			nvram@7f0000 {
-				reg = <0x7f0000 0x010000>;
+			partition@ff0000 {
+				reg = <0xff0000 0x010000>;
 				label = "nvram";
 			};
 		};