[PATCH v2] MIPS: kernel: proc: Fix typo in proc.c

Fix typo introduced in commit 515a6393dbac ("MIPS: kernel: proc:
Add MIPS R6 support to /proc/cpuinfo"), mips1 should be tested
against cpu_has_mips_1, not cpu_has_mips_r1.

Signed-off-by: Tony Wu <redacted>
Cc: Markos Chandras <redacted>
Cc: <redacted> # v4.0+

diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 211fcd4..3417ce0 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c

@@ -83,7 +83,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	}
 
 	seq_printf(m, "isa\t\t\t:"); 
-	if (cpu_has_mips_r1)
+	if (cpu_has_mips_1)
 		seq_printf(m, " mips1");
 	if (cpu_has_mips_2)
 		seq_printf(m, "%s", " mips2");