efi: Rename efi_guid_unparse to efi_guid_to_str

Call it what it does - "unparse" is plain-misleading.

Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 0949f9c..d762c81 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -844,7 +844,7 @@
 }
 
 static inline char *
-efi_guid_unparse(efi_guid_t *guid, char *out)
+efi_guid_to_str(efi_guid_t *guid, char *out)
 {
 	sprintf(out, "%pUl", guid->b);
         return out;