efi_loader: set UEFI specification version to 2.10

Claim to implement UEFI 2.10 setting EFI_SPECIFICATION_VERSION accordingly.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/include/efi_api.h b/include/efi_api.h
index 00c98e0..9bd70b0 100644
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -21,7 +21,7 @@
 #include <pe.h>
 
 /* UEFI spec version 2.9 */
-#define EFI_SPECIFICATION_VERSION (2 << 16 | 90)
+#define EFI_SPECIFICATION_VERSION (2 << 16 | 100)
 
 /* Types and defines for EFI CreateEvent */
 enum efi_timer_delay {