Profiles: increase boot part size

profiles

@@ -53,7 +53,8 @@ r4s['packages']="\
 r4s['kopts']="\
 	CONFIG_KERNEL_BTRFS_FS_POSIX_ACL=y \
 	CONFIG_BTRFS_PROGS_ZSTD=y \
-	CONFIG_TARGET_ROOTFS_PARTSIZE=1024"
+	CONFIG_TARGET_ROOTFS_PARTSIZE=1024 \
+	CONFIG_TARGET_KERNEL_PARTSIZE=128"
 r4s['files']="\
 	/mnt/backup"
 
@@ -120,7 +121,8 @@ n5100['packages']="\
 n5100['kopts']="\
 	CONFIG_KERNEL_BTRFS_FS_POSIX_ACL=y \
 	CONFIG_BTRFS_PROGS_ZSTD=y \
-	CONFIG_TARGET_ROOTFS_PARTSIZE=1024"
+	CONFIG_TARGET_ROOTFS_PARTSIZE=1024 \
+	CONFIG_TARGET_KERNEL_PARTSIZE=128"
 n5100['files']="\
 	/mnt/backup"