configs/qemu_riscv32_virt: upgrade to 4.20 kernel

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

configs/qemu_riscv32_virt_defconfig

@@ -10,14 +10,14 @@ BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
 # Filesystem
 BR2_TARGET_ROOTFS_EXT2=y
 
-# Linux headers same as kernel, a 4.15 series
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_15=y
+# Linux headers same as kernel, a 4.20 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_20=y
 
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_GIT=y
 BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/riscv/riscv-linux.git"
-BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="fe92d7905c6ea0ebeabeb725b8040754ede7c220"
+BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="8fe28cb58bcb235034b64cbbb7550a8a43fd88be"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/riscv32-virt/linux.config"