ipq806x: Enable ubi image for ipq40xx AP-DK04.1-C1 board

This change add IPQ40xx AP-DK04.1-C1 board image support,
enables ubi image for IPQ40xx AP-DK04.1-C1 board and also
add sysupgrage support for AP-DK04.1-C1 and generates a
sysupgrade.tar image.

Testing:
 *Tested on IPQ40xx AP-DK04.1-C1:
   a. NAND boot
   b. ubi sysupgrade

Signed-off-by: Ram Chandra Jangir <rjangir@codeaurora.org>

target/linux/ipq806x/base-files/lib/upgrade/platform.sh

@@ -12,6 +12,7 @@ platform_pre_upgrade() {
 
 	case "$board" in
 	ap148 |\
+	ap-dk04.1-c1 |\
 	d7800 |\
 	nbg6817 |\
 	r7500 |\

target/linux/ipq806x/image/Makefile

@@ -250,7 +250,20 @@ define Device/VR2600v
 	IMAGE/sysupgrade.bin := pad-extra 512 | append-kernel | pad-to $$$${KERNEL_SIZE} | append-rootfs | pad-rootfs | append-metadata
 endef
 
+define Device/AP-DK04.1-C1
+	$(call Device/FitImage)
+	$(call Device/UbiFit)
+	DEVICE_DTS := qcom-ipq4019-ap.dk04.1-c1
+	KERNEL_LOADADDR := 0x80208000
+	KERNEL_INSTALL := 1
+	KERNEL_SIZE := 4048k
+	BLOCKSIZE := 128k
+	PAGESIZE := 2048
+	BOARD_NAME := ap-dk04.1-c1
+	DEVICE_TITLE := QCA AP-DK04.1-C1
+endef
+
 TARGET_DEVICES += AP148 AP148-legacy C2600 D7800 DB149 EA8500 FRITZ4040 R7500 \
-		  R7500v2 R7800 NBG6817 VR2600v
+		  R7500v2 R7800 NBG6817 VR2600v AP-DK04.1-C1
 
 $(eval $(call BuildImage))