efi_loader: define OsIndicationsSupported flags

These flags are expected to be set in OsIndicationsSupported variable
if corresponding features are supported. See UEFI specification,
section 8.5.4.

In particular, capsule-related flags will be used in my capsule
update patch.
Signed-off-by: NAKASHI Takahiro <takahiro.akashi@linaro.org>

Fix misspelled EFI_OS_INDICATIONS_BOOT_TO_FW_UI.
Reviewed-by: NHeinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: NHeinrich Schuchardt <xypron.glpk@gmx.de>

include/efi_api.h

@@ -57,6 +57,16 @@ typedef u16 efi_form_id_t;
 
 struct efi_event;
 
+/* OsIndicationsSupported flags */
+#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI		    0x0000000000000001
+#define EFI_OS_INDICATIONS_TIMESTAMP_REVOCATION		    0x0000000000000002
+#define EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED  0x0000000000000004
+#define EFI_OS_INDICATIONS_FMP_CAPSULE_SUPPORTED	    0x0000000000000008
+#define EFI_OS_INDICATIONS_CAPSULE_RESULT_VAR_SUPPORTED	    0x0000000000000010
+#define EFI_OS_INDICATIONS_START_OS_RECOVERY		    0x0000000000000020
+#define EFI_OS_INDICATIONS_START_PLATFORM_RECOVERY	    0x0000000000000040
+#define EFI_OS_INDICATIONS_JSON_CONFIG_DATA_REFRESH	    0x0000000000000080
+
 /* EFI Boot Services table */
 #define EFI_BOOT_SERVICES_SIGNATURE 0x56524553544f4f42
 struct efi_boot_services {