configs/olimex_stmp157: bump U-Boot version

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

configs/olimex_stmp157_olinuxino_lime_defconfig

@@ -34,8 +34,8 @@ BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_CUSTOM_GIT=y
 BR2_TARGET_UBOOT_CUSTOM_REPO_URL="https://github.com/OLIMEX/u-boot-olinuxino.git"
-# release-20210821, based on 2021.04
-BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="acda542100fa83e4bc82634e4668f8106af37a61"
+# release-20211130, based on 2021.04
+BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="1c29714bc643c299e2ed4ba870be8d4538124144"
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="STM32-OLinuXino-LIME"
 # BR2_TARGET_UBOOT_FORMAT_BIN is not set
 BR2_TARGET_UBOOT_FORMAT_IMG=y