providers/build.info: Tag the FIPS module, for the build file

The build file templates have code to pick up the 'fips' attribute and
thereby find out what module is the FIPS without having to resort to
ugly hard coding.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/13032)
diff --git a/providers/build.info b/providers/build.info
index f2e0d43..b365bda 100644
--- a/providers/build.info
+++ b/providers/build.info
@@ -140,7 +140,7 @@
 IF[{- !$disabled{fips} -}]
   # This is the trigger to actually build the FIPS module.  Without these
   # statements, the final build file will not have a trace of it.
-  MODULES=$FIPSGOAL
+  MODULES{fips}=$FIPSGOAL
   LIBS{noinst}=$LIBFIPS
 ENDIF