[release-branch.go1.14] runtime/race: update ppc64 .syso file

For #14881
For #37355
For #38321

Change-Id: I5edd53b7532836cfe6037fb668b1b8fe8f7a32f9
Reviewed-on: https://go-review.googlesource.com/c/go/+/227443
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
(cherry picked from commit 7a35d39)
Reviewed-on: https://go-review.googlesource.com/c/go/+/232159
Reviewed-by: Keith Randall <khr@golang.org>

Author: randall77

src/runtime/race/README

@@ -7,7 +7,7 @@ To update the .syso files use golang.org/x/build/cmd/racebuild.
 race_darwin_amd64.syso built with LLVM 0fb8a5356214c47bbb832e89fbb3da1c755eeb73 and Go 95773ab9b053edc43ba07a182f3d5e0e29775a45.
 race_freebsd_amd64.syso built with LLVM 0fb8a5356214c47bbb832e89fbb3da1c755eeb73 and Go 95773ab9b053edc43ba07a182f3d5e0e29775a45.
 race_linux_amd64.syso built with LLVM 0fb8a5356214c47bbb832e89fbb3da1c755eeb73 and Go 95773ab9b053edc43ba07a182f3d5e0e29775a45.
-race_linux_ppc64le.syso built with LLVM 810ae8ddac890a6613d814c0b5415c7fcb7f5cca and Go 8c6876e9a481a2ea48070d3285a07163f564877b.
+race_linux_ppc64le.syso built with LLVM 2db63723a87527bac797996b8aa9d2f5a176b2f7 and Go e31d741801514f2a008625fd246644d2214f4516.
 race_netbsd_amd64.syso built with LLVM 810ae8ddac890a6613d814c0b5415c7fcb7f5cca and Go 8c6876e9a481a2ea48070d3285a07163f564877b.
 race_windows_amd64.syso built with LLVM 0fb8a5356214c47bbb832e89fbb3da1c755eeb73 and Go 95773ab9b053edc43ba07a182f3d5e0e29775a45.
 race_linux_arm64.syso built with LLVM 0fb8a5356214c47bbb832e89fbb3da1c755eeb73 and Go 95773ab9b053edc43ba07a182f3d5e0e29775a45.