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/Makefile b/board/atmel/sama5d29_curiosity/Makefile
new file mode 100644
index 0000000..848e1ce
--- /dev/null
+++ b/board/atmel/sama5d29_curiosity/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries
+#
+# Author: Mihai Sain <mihai.sain@microchip.com>
+
+obj-y += sama5d29_curiosity.o