[MIPS]: Fix compiler error for mips32r2 dspr2

Fix error reported by llvm:
"error: unused variable 'kResampleAllpass1' [-Werror,-Wunused-const-variable]"
"error: unused variable 'kResampleAllpass2' [-Werror,-Wunused-const-variable]"

BUG=Unused variable.

Change-Id: I60c64b04e0fa96eb803416fb2148a81fc46a337d
Reviewed-on: https://chromium-review.googlesource.com/575132
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Karl Wiberg <kwiberg@webrtc.org>
Cr-Original-Commit-Position: refs/heads/master@{#19629}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 5b0690699dc84864544bd0b10028714533e7d02d
1 file changed