configs/kontron_pitx_imx8m_defconfig: add BR2_TARGET_UBOOT_NEEDS_GNUTLS
With U-Boot 2022.04 libuuid is required for building the host tool
mkeficapsule. The lib is included in the util-linux package. Thus the
BR2_TARGET_UBOOT_NEEDS_UTIL_LINUX config is needed.
Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>