configs/solidrun_macchiatobin_mainline: bump Linux and U-Boot versions

Bump Linux to 5.6.3, U-Boot to 2020.01. New kernel and modules based
on arm64 defconfig do not fit into default size filesystem anymore.
So increase filesystem size to 120M.

Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

configs/solidrun_macchiatobin_mainline_defconfig

@@ -1,5 +1,5 @@
 BR2_aarch64=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_2=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_6=y
 BR2_TARGET_GENERIC_HOSTNAME="mcbin"
 BR2_TARGET_GENERIC_ISSUE="Welcome to Buildroot for Marvell MacchiatoBin"
 
@@ -19,7 +19,7 @@ BR2_TARGET_MV_DDR_MARVELL=y
 # U-Boot
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_CUSTOM_VERSION=y
-BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2019.07"
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2020.01"
 BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
 BR2_TARGET_UBOOT_USE_DEFCONFIG=y
 BR2_TARGET_UBOOT_BOARD_DEFCONFIG="mvebu_mcbin-88f8040"
@@ -28,7 +28,7 @@ BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="board/solidrun/macchiatobin/uboot-fragme
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.2.14"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.6.3"
 BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="marvell/armada-8040-mcbin"
@@ -40,6 +40,8 @@ BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
 BR2_TARGET_ROOTFS_TAR=y
 BR2_TARGET_ROOTFS_EXT2=y
 BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_TARGET_ROOTFS_EXT2_SIZE="120M"
+
 BR2_PACKAGE_HOST_GENIMAGE=y
 BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
 BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/solidrun/macchiatobin/genimage.cfg"