MIPS: kernel: cpu-probe: Enable EVA option on supported cores

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index ee5de36..e225b0d 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -386,6 +386,9 @@
 	config5 &= ~MIPS_CONF5_UFR;
 	write_c0_config5(config5);
 
+	if (config5 & MIPS_CONF5_EVA)
+		c->options |= MIPS_CPU_EVA;
+
 	return config5 & MIPS_CONF_M;
 }