configs: vim3: use the vim3 board support

Use the newly added VIM3 board support instead of the generic W400.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/configs/khadas-vim3l_defconfig b/configs/khadas-vim3l_defconfig
index 57cc383..5729d33 100644
--- a/configs/khadas-vim3l_defconfig
+++ b/configs/khadas-vim3l_defconfig
@@ -1,5 +1,5 @@
 CONFIG_ARM=y
-CONFIG_SYS_BOARD="w400"
+CONFIG_SYS_BOARD="vim3"
 CONFIG_ARCH_MESON=y
 CONFIG_SYS_TEXT_BASE=0x01000000
 CONFIG_NR_DRAM_BANKS=1