efi_loader: printing TCG2 protocol GUID

We support the TCG2 protocol. Allow command efidebug to print it.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/include/efi_api.h b/include/efi_api.h
index a60d1bc..8d5d835 100644
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -434,6 +434,10 @@
 	EFI_GUID(0xe617d64c, 0xfe08, 0x46da, 0xf4, 0xdc, \
 		 0xbb, 0xd5, 0x87, 0x0c, 0x73, 0x00)
 
+#define EFI_TCG2_PROTOCOL_GUID \
+	EFI_GUID(0x607f766c, 0x7455, 0x42be, 0x93, \
+		 0x0b, 0xe4, 0xd7, 0x6d, 0xb2, 0x72, 0x0f)
+
 /**
  * struct efi_configuration_table - EFI Configuration Table
  *