configs/freescale_imx6ullevk_defconfig: bump Linux and U-Boot to lf-5.15.71-2.2.0

Let's also enable BR2_TARGET_UBOOT_NEEDS_OPENSSL required by uboot to
build correctly.

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

configs/freescale_imx6ullevk_defconfig

@@ -1,11 +1,11 @@
 BR2_arm=y
 BR2_cortex_a7=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_10=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_15=y
 BR2_TARGET_GENERIC_GETTY_PORT="ttymxc0"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="board/freescale/common/imx/post-image.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
-BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call github,nxp-imx,linux-imx,lf-5.10.y-1.0.0)/linux-imx-lf-5.10.y-1.0.0.tar.gz"
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call github,nxp-imx,linux-imx,lf-5.15.71-2.2.0)/linux-imx-lf-5.15.71-2.2.0.tar.gz"
 BR2_LINUX_KERNEL_DEFCONFIG="imx_v7"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6ull-14x14-evk"
@@ -15,8 +15,9 @@ BR2_TARGET_ROOTFS_EXT2_4=y
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BOARDNAME="mx6ull_14x14_evk"
 BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
-BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="$(call github,nxp-imx,uboot-imx,lf-5.10.y-1.0.0)/uboot-imx-lf-5.10.y-1.0.0.tar.gz"
+BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="$(call github,nxp-imx,uboot-imx,lf-5.15.71-2.2.0)/uboot-imx-lf-5.15.71-2.2.0.tar.gz"
 BR2_TARGET_UBOOT_NEEDS_DTC=y
+BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
 BR2_TARGET_UBOOT_FORMAT_IMX=y
 BR2_PACKAGE_HOST_DOSFSTOOLS=y
 BR2_PACKAGE_HOST_GENIMAGE=y