kirkwood: add support for Ctera C200 V1 NAS

2-Bay NAS - maximum two 3.5" Harddisks

Hardware:
  - SoC: Marvell 88F6281-A1 ARMv5TE Processor 1.2GHz
  - Ram: 512MB (4x Nanya NT5TU128M8GE-AC)
  - NAND Flash: 256MB (Samsung 216 K9F2G08U0C)
  - Lan: 1x GBE (Marvell 88E1116R-NNC1)
  - Storage: 2x SATA HDD 3.5" Slot
  - USB: 2x USB 2.0 port
  - Console: Internal J3 connector (1: Vcc, 2: Rx, 3: Tx, 4: GND)
  - LEDs: 13x GPIO controlled
  - Buttons: 2x GPIO controlled

Known issues:
  - Buzzer is unused due lack of proper driver

Installation:
  - Apply factory initramfs image via stock web-gui.
  - Do sysupgrade to make installation complete.

Back to stock:
  - OpenWrt rootfs partition use unused space after stock firmware.
  - Full revert is possible.
  - Login via ssh and run: ctera_c200-v1_back_to_factory

Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Reviewed-by: Sungbo Eo <mans0n@gorani.run>
[apply sorting to device recipe]
Signed-off-by: Sungbo Eo <mans0n@gorani.run>

target/linux/kirkwood/base-files/etc/board.d/02_network

@@ -18,6 +18,7 @@ cisco,on100)
 	;;
 cloudengines,pogoe02|\
 cloudengines,pogoplugv4|\
+ctera,c200-v1|\
 globalscale,sheevaplug|\
 iom,iconnect-1.1|\
 iom,ix2-200|\

target/linux/kirkwood/base-files/etc/init.d/hwmon_fancontrol

@@ -7,6 +7,13 @@ boot() {
 	# for more information, please read https://www.kernel.org/doc/Documentation/hwmon/sysfs-interface
 
 	case $(board_name) in
+	ctera,c200-v1)
+		path_to_hwmon='/sys/devices/platform/ocp@f1000000/f1011000.i2c/i2c-0/0-004c/hwmon/hwmon0'
+
+		# It should be related to hdd temerature instead lm63 temp
+		echo 1 > "$path_to_hwmon/pwm1_enable"
+		echo 128 > "$path_to_hwmon/pwm1"
+		;;
 	iom,ix2-200)
 		path_to_hwmon='/sys/class/hwmon/hwmon0'
 		echo 2 > "$path_to_hwmon/pwm1_enable" # fan is on pwm1