bcm4908: include U-Boot DTB files for ASUS GT-AX6000 & Netgear RAX220

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

target/linux/bcm4908/image/bootfs-generic.its

@@ -62,6 +62,28 @@
 			};
 		};
 
+		fdt_GTAX6000 {
+			description = "dtb";
+			data = /incbin/("${images_dir}/u-boot/GTAX6000.dtb");
+			type = "flat_dt";
+			compression = "none";
+
+			hash-1 {
+				algo = "sha256";
+			};
+		};
+
+		fdt_uboot_RAX220 {
+			description = "dtb";
+			data = /incbin/("${images_dir}/u-boot/RAX220.dtb");
+			type = "flat_dt";
+			compression = "none";
+
+			hash-1 {
+				algo = "sha256";
+			};
+		};
+
 		fdt_linux_RAX220 {
 			description = "dtb";
 			data = /incbin/("${dts_dir}/broadcom/bcm4908/bcm4908-netgear-raxe500.dtb");
@@ -80,6 +102,18 @@
 			loadables = "atf", "uboot";
 		};
 
+		conf_ub_GTAX6000 {
+			description = "GTAX6000";
+			fdt = "fdt_GTAX6000";
+			loadables = "atf", "uboot";
+		};
+
+		conf_ub_RAX220 {
+			description = "RAX220";
+			fdt = "fdt_uboot_RAX220";
+			loadables = "atf", "uboot";
+		};
+
 		conf_lx_RAX220 {
 			description = "BRCM 63xxx linux";
 			kernel = "kernel";