cmd: update golang.org/x/arch for riscv64 disassembler
Update to a newer version of golang.org/x/arch, in order to bring in
changes to the riscv64 disassembler, including support for vector and
zicond instructions:
go get golang.org/x/arch@
fea4a9e
go mod tidy
go mod vendor
Change-Id: I19623f76a63cee7d0f83d9f6c2305554ed5d5efb
Reviewed-on: https://go-review.googlesource.com/c/go/+/714140
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Alan Donovan <adonovan@google.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Joel Sing <joel@sing.id.au>