package/libubootenv: bump to version cc628ee

This includes the following changes:

cc628ee libuboot: wrap libuboot in extern "C" for C++
bf6ff63 Prepare 0.2
3393485 Fix compiler warning
8f7c00a uboot_env: fix the resarch of ubi volume

Signed-off-by: Pierre-Jean Texier <pjtexier@koncepto.io>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libubootenv/libubootenv.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256 38431bcbb93fa1a6065828947ca9f9510709b5ac57f8f700fd91473236885064 libubootenv-92949816720d7af2ac722016e7a5b9a85ff141bc.tar.gz
+sha256 4d948a8b7e4fb92c36c36a1a247c1bab4343c55b5324699d18ea012737dbedeb libubootenv-cc628ee0cd750be26275b6eaeaba4d324df11dec.tar.gz
 sha256 dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551 Licenses/lgpl-2.1.txt

package/libubootenv/libubootenv.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBUBOOTENV_VERSION = 92949816720d7af2ac722016e7a5b9a85ff141bc
+LIBUBOOTENV_VERSION = cc628ee0cd750be26275b6eaeaba4d324df11dec
 LIBUBOOTENV_SITE = $(call github,sbabic,libubootenv,$(LIBUBOOTENV_VERSION))
 LIBUBOOTENV_LICENSE = LGPL-2.1
 LIBUBOOTENV_LICENSE_FILES = Licenses/lgpl-2.1.txt