meta-nuvoton: u-boot-nuvoton: upgrade v2019.01 -> v2021.04

Signed-off-by: Tim Lee <timlee660101@gmail.com>
Change-Id: I5922de3f0f28932e212f0b5f0d7d6b92af6c0c9f
diff --git a/meta-nuvoton/recipes-bsp/u-boot/u-boot-common-nuvoton.inc b/meta-nuvoton/recipes-bsp/u-boot/u-boot-common-nuvoton.inc
index f296955..28eda68 100644
--- a/meta-nuvoton/recipes-bsp/u-boot/u-boot-common-nuvoton.inc
+++ b/meta-nuvoton/recipes-bsp/u-boot/u-boot-common-nuvoton.inc
@@ -3,11 +3,11 @@
 DEPENDS += "flex-native bison-native"
 
 LICENSE = "GPL-2.0-or-later"
-LIC_FILES_CHKSUM = "file://Licenses/README;md5=30503fd321432fc713238f582193b78e"
+LIC_FILES_CHKSUM = "file://Licenses/README;md5=5a7450c57ffe5ae63fd732446b988025"
 
-UBRANCH = "npcm7xx-v2019.01"
+UBRANCH = "npcm-v2021.04"
 SRC_URI = "git://github.com/Nuvoton-Israel/u-boot.git;branch=${UBRANCH};protocol=https"
-SRCREV = "3f1e85ef94254aaa8ecda993cf56cebadbf6a0ad"
+SRCREV = "f33412159be1f88dc2ae5f82ac03c8960ff616cb"
 
 S = "${WORKDIR}/git"