arm: rmobile: Add BLANCHE board support

BLANCHE is development board based on R-Car V2H SoC (R8A7792)

This commit supports the following periherals:
- SCIF, Ethernet, QSPI, MMC

Signed-off-by: Masakazu Mochizuki <masakazu.mochizuki.wd@hitachi.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/board/renesas/blanche/Kconfig b/board/renesas/blanche/Kconfig
new file mode 100644
index 0000000..ac4730a
--- /dev/null
+++ b/board/renesas/blanche/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_BLANCHE
+
+config SYS_BOARD
+	default "blanche"
+
+config SYS_VENDOR
+	default "renesas"
+
+config SYS_CONFIG_NAME
+	default "blanche"
+
+endif