board: at91: sama5d29_curiosity: add initial support for sama5d29_curiosity

Add initial support for sama5d29_curiosity board.

Hardware:
SoC: SAMA5D29 500 MHz
DRAM: LPDDR2 512 MiB
PMIC: MCP16502
Debug: UART0
Flash: QSPI NOR 8 MiB
RGB LCD connector
Mikrobus connectors x 2
SD-Card connectors x 2
USB 2.0 x 2

Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
diff --git a/board/atmel/sama5d29_curiosity/Kconfig b/board/atmel/sama5d29_curiosity/Kconfig
new file mode 100644
index 0000000..64ca237
--- /dev/null
+++ b/board/atmel/sama5d29_curiosity/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_SAMA5D29_CURIOSITY
+
+config SYS_BOARD
+	default "sama5d29_curiosity"
+
+config SYS_VENDOR
+	default "atmel"
+
+config SYS_SOC
+	default "at91"
+
+config SYS_CONFIG_NAME
+	default "sama5d29_curiosity"
+
+endif