Add Odroid board selection

tools/json/config.system.json

@@ -352,6 +352,16 @@
                     "status": "Stable",
                     "author": "@armbian",
                     "condition": "module_zfs status"
+                },
+                {
+                    "id": "SY020",
+                    "description": "Select Odroid board configuration",
+                    "command": [
+                        "manage_odroid_board select"
+                    ],
+                    "status": "Preview",
+                    "author": "",
+                    "condition": "[ $BOARDFAMILY == odroidxu4 ]"
                 }
             ]
         }

tools/modules/system/manage_odroid_board.sh

@@ -0,0 +1,44 @@
+module_options+=(
+	["manage_odroid_board,author"]="@GeoffClements"
+	["manage_odroid_board,ref_link"]=""
+	["manage_odroid_board,feature"]="Odroid board"
+	["manage_odroid_board,desc"]="Select optimised Odroid board configuration"
+	["manage_odroid_board,example"]="select"
+	["manage_odroid_board,status"]="Stable"
+)
+#
+# @description Select optimised board configuration
+#
+function manage_odroid_board() {
+
+	local board_list=("Odroid XU4" "Odroid XU3" "Odroid XU3 Lite" "Odroid HC1/HC2")
+	local board_id=("xu4" "xu3" "xu3l" "hc1")
+	local -a list
+	local state
+
+	local env_file=/boot/armbianEnv.txt
+	local current_board=$(grep -oP '^board_name=\K.*' ${env_file})
+	local target_board=${current_board}
+
+	for board_num in $(seq 0 $((${#board_list[@]} - 1))); do
+		if [[ "${board_id[${board_num}]}" == "${current_board}" ]]; then
+			state=on
+		else
+			state=off
+		fi
+	list+=("${board_id[${board_num}]}" "${board_list[${board_num}]}" "${state}")
+	done
+
+	if target_board=$($DIALOG --notags --title "Select optimised board configuration" \
+	--radiolist "" 10 42 4 "${list[@]}" 3>&1 1>&2 2>&3); then
+		sed -i "s/^board_name=.*/board_name=${target_board}/" ${env_file} 2> /dev/null && \
+		grep -q "^board_name=${target_board}" ${env_file} 2>/dev/null || \
+		echo "board_name=${target_board}" >> ${env_file}
+		sed -i "s/^BOARD_NAME.*/BOARD_NAME=\"Odroid ${target_board^^}\"/" /etc/armbian-release
+
+		if $DIALOG --title " Reboot required " --yes-button "Reboot" --no-button "Cancel" --yesno \
+		"A reboot is required to apply the changes. Shall we reboot now?" 7 34; then
+		reboot
+		fi
+	fi
+}