25Kf is also physically indexed.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index aa830c3..8ffb9f8 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1013,6 +1013,7 @@
 	 */
 	switch (c->cputype) {
 	case CPU_20KC:
+	case CPU_25KF:
 	case CPU_R10000:
 	case CPU_R12000:
 	case CPU_SB1: