configs/warp7: Bump Kernel version

Bump kernel to version 5.7.1

Signed-off-by: Joris Offouga <offougajoris@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

configs/warp7_defconfig

@@ -3,8 +3,8 @@ BR2_arm=y
 BR2_cortex_a7=y
 BR2_ARM_FPU_NEON_VFPV4=y
 
-# Linux headers same as kernel, a 5.6 series
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_6=y
+# Linux headers same as kernel, a 5.7 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_7=y
 
 # system
 BR2_TARGET_GENERIC_GETTY_PORT="ttymxc0"
@@ -15,7 +15,7 @@ BR2_ROOTFS_OVERLAY="board/warp7/rootfs_overlay"
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.6.3"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.7.1"
 BR2_LINUX_KERNEL_DEFCONFIG="imx_v6_v7"
 BR2_LINUX_KERNEL_DTS_SUPPORT=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx7s-warp"