board: samsung: add Samsung Galaxy S9/S9+(SM-G96x0) board

Samsung S9 SM-G9600 - Snapdragon SDM845 version of the phone,
for China \ Hong Kong markets.
Has unlockable bootloader, unlike SM-G960U (American market version),
which allows running u-boot as a chain-loaded bootloader.

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Cc: Tom Rini <trini@konsulko.com>
diff --git a/board/samsung/starqltechn/Kconfig b/board/samsung/starqltechn/Kconfig
new file mode 100644
index 0000000..0eea666
--- /dev/null
+++ b/board/samsung/starqltechn/Kconfig
@@ -0,0 +1,22 @@
+if TARGET_STARQLTECHN
+
+config SYS_BOARD
+	default "starqltechn"
+	help
+	  starqltechn is a production board for S9 and S9+ phones(SM-G96x0) phones based on SDM845 SoC.
+
+config SYS_CONFIG_NAME
+	string "Board configuration name"
+	default "sdm845"
+	help
+	  This option contains information about board configuration name.
+	  Based on this option include/configs/<CONFIG_SYS_CONFIG_NAME>.h header
+	  will be used for board configuration.
+
+config SYS_VENDOR
+	default "samsung"
+
+config SYS_CONFIG_NAME
+	default "starqltechn"
+
+endif
diff --git a/board/samsung/starqltechn/MAINTAINERS b/board/samsung/starqltechn/MAINTAINERS
new file mode 100644
index 0000000..135cafd
--- /dev/null
+++ b/board/samsung/starqltechn/MAINTAINERS
@@ -0,0 +1,6 @@
+Samsung S9 (SM-G9600)(starqltechn)  Board
+M:	Dzmitry Sankouski <dsankouski@gmail.com>
+S:	Maintained
+F:	board/samsung/starqltechn/
+F:	include/configs/starqltechn.h
+F:	configs/starqltechn_defconfig
diff --git a/board/samsung/starqltechn/Makefile b/board/samsung/starqltechn/Makefile
new file mode 100644
index 0000000..c38c0b4
--- /dev/null
+++ b/board/samsung/starqltechn/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2021 Dzmitry Sankouski <dsankouski@gmail.com>
+#
+# This empty file prevents make error.
+# Board logic defined in board/qualcomm/common/sdm845.c, no custom logic for starqltechn so far.
+#
+
+obj-y += starqltechn.o
diff --git a/board/samsung/starqltechn/starqltechn.c b/board/samsung/starqltechn/starqltechn.c
new file mode 100644
index 0000000..f2cdb4e
--- /dev/null
+++ b/board/samsung/starqltechn/starqltechn.c
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * This empty file prevents make linking error.
+ * No custom logic for starqltechn so far.
+ *
+ * (C) Copyright 2021 Dzmitry Sankouski <dsankouski@gmail.com>
+ *
+ */
+
+void nooop(void) {}