Creating a copy of the /boot filesystem for an extra partition

This will be needed for Grub2.

Change-Id: Icc5a4e5652101e8746b6796f39ee4aeb5163d45a
diff --git a/package/czechlight-separate-boot/Config.in b/package/czechlight-separate-boot/Config.in
new file mode 100644
index 0000000..0e1bf97
--- /dev/null
+++ b/package/czechlight-separate-boot/Config.in
@@ -0,0 +1,14 @@
+config BR2_TARGET_ROOTFS_CZECHLIGHT_SEPARATE_BOOT
+	bool "Separate /boot partition"
+	help
+	  Builds a standalone ext2 image with the /boot directory from the real rootfs.
+
+if BR2_TARGET_ROOTFS_CZECHLIGHT_SEPARATE_BOOT
+
+config CZECHLIGHT_SEPARATE_BOOT_SIZE
+	string "exact size"
+	default "4M"
+	help
+	  Size of the /boot filesystem image.
+
+endif # BR2_TARGET_ROOTFS_CZECHLIGHT_SEPARATE_BOOT