board: qualcomm: Add support for QCS404 EVB

Add support for Qualcomm QCS404 SoC based evaluation board.

Features:
- Qualcomm Snapdragon QCS404 SoC
- 1GiB RAM
- 8GiB eMMC, uSD slot

U-boot is chain loaded by ABL in 64-bit mode as part of boot.img.
For detailed build and boot instructions, refer to
doc/board/qualcomm/qcs404.rst.

Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
diff --git a/board/qualcomm/qcs404-evb/Makefile b/board/qualcomm/qcs404-evb/Makefile
new file mode 100644
index 0000000..4665827
--- /dev/null
+++ b/board/qualcomm/qcs404-evb/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2022 Sumit Garg <sumit.garg@linaro.org>
+#
+
+obj-y += qcs404-evb.o