SWDEV-516564 - SWDEV-512817 - Remove mentions of gfx940 and gfx941

Change-Id: Ie9cd254ed31ce9af23c8a3106dd961f276be1c4d


[ROCm/hip commit: 8f12e1dcd9]

projects/hip/docs/reference/fp8_numbers.rst

@@ -42,7 +42,7 @@ Supported Devices
     * - Host
       - Yes
       - Yes
-    * - gfx940/gfx941/gfx942
+    * - gfx942
       - Yes
       - No
     * - gfx1200/gfx1201