Update cctest OWNERS file for mips committers.

BUG=
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/576613003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24050 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/OWNERS

-per-file *-mips.*=plind44@gmail.com
-per-file *-mips.*=gergely@homejinni.com
+per-file *-mips*=paul.lind@imgtec.com
+per-file *-mips*=gergely.kis@imgtec.com
+per-file *-mips*=akos.palfi@imgtec.com
+per-file *-mips*=balazs.kilvady@imgtec.com
+per-file *-mips*=dusan.milosavljevic@imgtec.com