[libc++][doc] Updates spaceship status.

Work on the missing chrono parts has started, but their operators will
be added in different patches. So split the remaining chrono part to one
entry per line and mark them in progress.

libcxx/docs/Status/SpaceshipProjects.csv

@@ -140,7 +140,7 @@ Section,Description,Dependencies,Assignee,Complete
 "| `[class.slice.overview] <https://wg21.link/class.slice.overview>`_
 | `[slice.ops] <https://wg21.link/slice.ops>`_",| `slice <https://reviews.llvm.org/D152617>`_,None,Hristo Hristov,|Complete|
 - `5.12 Clause 27: Time library <https://wg21.link/p1614r2#clause-27-time-library>`_,,,,
-| `[time.syn] <https://wg21.link/time.syn>`_,|,None,Unassigned,|Not Started|
+| `[time.syn] <https://wg21.link/time.syn>`_,|,None,Mark de Wever,|In Progress|
 | `[time.duration.comparisons] <https://wg21.link/time.duration.comparisons>`_, `chrono::duration <https://reviews.llvm.org/D145881>`_, None, Hristo Hristov, |Complete|
 | `[time.point.comparisons] <https://wg21.link/time.point.comparisons>`_, `chrono::time_point <https://reviews.llvm.org/D146250>`_, None, Hristo Hristov, |Complete|
 "| `[time.cal.day.nonmembers] <https://wg21.link/time.cal.day.nonmembers>`_
@@ -171,12 +171,10 @@ Section,Description,Dependencies,Assignee,Complete
 | `month_weekday_last <https://reviews.llvm.org/D152699>`_
 | `year_month_weekday <https://reviews.llvm.org/D152699>`_
 | `year_month_weekday_last <https://reviews.llvm.org/D152699>`_",None,Hristo Hristov,|Complete|
-"| `[time.zone.nonmembers] <https://wg21.link/time.zone.nonmembers>`_
-| `[time.zone.zonedtime.nonmembers] <https://wg21.link/time.zone.zonedtime.nonmembers>`_
-| `[time.zone.leap.nonmembers] <https://wg21.link/time.zone.leap.nonmembers>`_
-| `[time.zone.link.nonmembers] <https://wg21.link/time.zone.link.nonmembers>`_","| chrono::time_zone
-| chrono::leap_second
-| chrono::time_zone_link",A ``<chrono>`` implementation,Unassigned,|Not Started|
+`[time.zone.nonmembers] <https://wg21.link/time.zone.nonmembers>`_,"`chrono::time_zone`",A ``<chrono>`` implementation,Mark de Wever,|In Progress|
+`[time.zone.zonedtime.nonmembers] <https://wg21.link/time.zone.zonedtime.nonmembers>`_,"`chrono::zoned_time`",A ``<chrono>`` implementation,Mark de Wever,|In Progress|
+`[time.zone.leap.nonmembers] <https://wg21.link/time.zone.leap.nonmembers>`_,"`chrono::time_leap_seconds`",A ``<chrono>`` implementation,Mark de Wever,|In Progress|
+`[time.zone.link.nonmembers] <https://wg21.link/time.zone.link.nonmembers>`_,"`chrono::time_zone_link`",A ``<chrono>`` implementation,Mark de Wever,|In Progress|
 - `5.13 Clause 28: Localization library <https://wg21.link/p1614r2#clause-28-localization-library>`_,,,,
 "| `[locale] <https://wg21.link/locale>`_
 | `[locale.operators] <https://wg21.link/locale.operators>`_",| remove ops `locale <https://reviews.llvm.org/D152654>`_,None,Hristo Hristov,|Complete|