odroid-go2: fix default FDT file path

The path in the Linux kernel dts directory is
rockchip/rk3326-odroid-go2.dtb.

That also seems to match the FDT path set on other boards (ie:
rock64-rk3328 for example).

Signed-off-by: Roger Pau Monne <royger@FreeBSD.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/configs/odroid-go2_defconfig b/configs/odroid-go2_defconfig
index be7ba09..6aa41e3 100644
--- a/configs/odroid-go2_defconfig
+++ b/configs/odroid-go2_defconfig
@@ -24,7 +24,7 @@
 CONFIG_FIT_VERBOSE=y
 CONFIG_FIT_BEST_MATCH=y
 CONFIG_SPL_LOAD_FIT=y
-CONFIG_DEFAULT_FDT_FILE="rk3326-odroidgo2.dtb"
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3326-odroid-go2.dtb"
 # CONFIG_CONSOLE_MUX is not set
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y