tlsdate: add SECCOMP_AUDIT_ARCH definition for MIPS

BUG=chromium:416748
TEST=`USE=seccomp emerge-{x86,amd64,arm,mipsel-o32}-generic tlsdate`

Change-Id: Ie50b4739aa35042d9a322c05c8d1b6875f14ee4a
Reviewed-on: https://chromium-review.googlesource.com/219419
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Ben Chan <benchan@chromium.org>
1 file changed