ARM: renesas: Add R8A779A0 V3U Falcon board code

Add board code for the R8A779A0 V3U Falcon board.

Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
--
Marek: - various small rebase fixes and clean ups
diff --git a/board/renesas/falcon/Kconfig b/board/renesas/falcon/Kconfig
new file mode 100644
index 0000000..1fcefa7
--- /dev/null
+++ b/board/renesas/falcon/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_FALCON
+
+config SYS_SOC
+	default "rmobile"
+
+config SYS_BOARD
+	default "falcon"
+
+config SYS_VENDOR
+	default "renesas"
+
+config SYS_CONFIG_NAME
+	default "falcon"
+
+endif