arm: histb: hi3798mv200: add initial support for Hi3798MV200 HC2910-2AGHD05 board

A board with Hi3798MV200 SoC and various peripherals. Details are in the
board README.md.

Signed-off-by: Yang Xiwen <forbidden405@outlook.com>
diff --git a/arch/arm/mach-histb/Kconfig b/arch/arm/mach-histb/Kconfig
index 78d4085..012dbfe 100644
--- a/arch/arm/mach-histb/Kconfig
+++ b/arch/arm/mach-histb/Kconfig
@@ -11,4 +11,29 @@
 
 endchoice
 
+if ARCH_HI3798MV2X
+
+choice
+	prompt "Select a Hi3798M V2XX based board"
+
+config TARGET_HC2910_2AGHD05
+	bool "Skyworth HC2910 with board label 2AGHD05"
+	help
+	  Support for Skyworth HC2910 with board label 2AGHD05. This board features:
+	  - Hisilicon Hi3798MV200 SoC (4xCortex-A53, Mali MP-450)
+	  - 2GiB DRAM
+	  - 8GiB eMMC, uSD slot
+	  - Wifi and Bluetooth module
+	  - 1x USB 2.0, 1x USB 3.0 host port
+	  - HDMI
+	  - SCI
+	  - 3 LED - power, Wifi, Lock(?)
+	  - 1x Fast Ethernet Controller, 1x GBe Ethernet Controller
+
+endchoice
+
+endif
+
+source "board/skyworth/hc2910-2aghd05/Kconfig"
+
 endif