util/mkimage: Add an option to import SBAT metadata into a .sbat section

Add a --sbat option to the grub-mkimage tool which allows us to import
an SBAT metadata formatted as a CSV file into a .sbat section of the
EFI binary.

Signed-off-by: Peter Jones <pjones@redhat.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>

include/grub/util/install.h

@@ -183,7 +183,8 @@ grub_install_generate_image (const char *dir, const char *prefix,
 			     char *config_path,
 			     const struct grub_install_image_target_desc *image_target,
 			     int note,
-			     grub_compression_t comp, const char *dtb_file);
+			     grub_compression_t comp, const char *dtb_file,
+			     const char *sbat_path);
 
 const struct grub_install_image_target_desc *
 grub_install_get_image_target (const char *arg);

include/grub/util/mkimage.h

@@ -24,6 +24,7 @@ struct grub_mkimage_layout
   size_t exec_size;
   size_t kernel_size;
   size_t bss_size;
+  size_t sbat_size;
   grub_uint64_t start_address;
   void *reloc_section;
   size_t reloc_size;