linux: fix yuv_row on ARM (don't use MMX).
linux: fix yuv_row on ARM (don't use MMX).

Review URL: http://codereview.chromium.org/193011


git-svn-id: http://src.chromium.org/svn/trunk/src@25417 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 3a0d10012e95c8926e03b37e15fdda70e5957a22
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser