[OpenCL][Docs] Update OpenCL 3.0 implementation status

Reviewed-By: Anastasia Stulova

Author: svenvh

clang/docs/OpenCLSupport.rst

@@ -380,7 +380,7 @@ implementation status.
 +------------------------------+--------------------------------------------------------------+----------------------+---------------------------------------------------------------------------+
 | Feature optionality          | Work group collective functions                              | :part:`worked on`    | https://reviews.llvm.org/D92004                                           |
 +------------------------------+--------------------------------------------------------------+----------------------+---------------------------------------------------------------------------+
-| New functionality            | RGBA vector components                                       | :none:`unclaimed`    |                                                                           |
+| New functionality            | RGBA vector components                                       | :good:`done`         | https://reviews.llvm.org/D99969                                           |
 +------------------------------+--------------------------------------------------------------+----------------------+---------------------------------------------------------------------------+
 | New functionality            | Subgroup functions                                           | :part:`worked on`    | https://reviews.llvm.org/D92004                                           |
 +------------------------------+--------------------------------------------------------------+----------------------+---------------------------------------------------------------------------+