IP28 has 128 byte cache lines.
Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7548/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>