uboot-envtools: Update to version 2021.01

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

package/boot/uboot-envtools/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=uboot-envtools
 PKG_DISTNAME:=u-boot
-PKG_VERSION:=2020.04
+PKG_VERSION:=2021.01
 PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_SOURCE:=$(PKG_DISTNAME)-$(PKG_VERSION).tar.bz2
@@ -17,7 +17,7 @@ PKG_SOURCE_URL:= \
     https://ftp.denx.de/pub/u-boot \
     https://mirror.cyberbits.eu/u-boot \
     ftp://ftp.denx.de/pub/u-boot
-PKG_HASH:=fe732aaf037d9cc3c0909bad8362af366ae964bbdac6913a34081ff4ad565372
+PKG_HASH:=b407e1510a74e863b8b5cb42a24625344f0e0c2fc7582d8c866bd899367d0454
 PKG_SOURCE_SUBDIR:=$(PKG_DISTNAME)-$(PKG_VERSION)
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_DISTNAME)-$(PKG_VERSION)