meta-fii/meta-kudo: update uboot configuration

1. remove the SRCREV configuration
2. combined the uboot configuration

Signed-off-by: Lancelot Kao <lancelot.kao@fii-usa.com>
Change-Id: Iba66f79e11689f9ee798c6b6ccd94674295dc8b3
diff --git a/meta-fii/meta-kudo/recipes-bsp/u-boot/u-boot-nuvoton_%.bbappend b/meta-fii/meta-kudo/recipes-bsp/u-boot/u-boot-nuvoton_%.bbappend
index 070059ba..1c13836 100644
--- a/meta-fii/meta-kudo/recipes-bsp/u-boot/u-boot-nuvoton_%.bbappend
+++ b/meta-fii/meta-kudo/recipes-bsp/u-boot/u-boot-nuvoton_%.bbappend
@@ -1,5 +1,3 @@
-FILESEXTRAPATHS_prepend_kudo := "${THISDIR}/u-boot-nuvoton:"
-
-UBOOT_MAKE_TARGET_append_kudo = " DEVICE_TREE=${UBOOT_DEVICETREE}"
+FILESEXTRAPATHS_prepend_kudo := "${THISDIR}/${PN}:"
 
 SRC_URI_append_kudo = " file://kudo.cfg"