[clang] [llvm] Update documentation and release notes for llvm-profgen COFF support (PR #84864)

[Tim Creech via llvm-commits]

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@@ -2434,6 +2449,15 @@ usual build cycle when using sample profilers for optimization:
    it provides better call information, which improves the accuracy of
    the profile data.
 
+   When using SEP:
+
+   .. code-block:: console
+
+     $ sep -start -ec BR_INST_RETIRED.NEAR_TAKEN:precise=yes:pdir -lbr no_filter:usr -perf-script ip,brstack -app ./code
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tcreech-intel wrote:

Fixed in [53f4c5d](https://github.com/llvm/llvm-project/pull/84864/commits/53f4c5dc84d71fd4efa5384818ecfc3401a0e7f6).

https://github.com/llvm/llvm-project/pull/84864