arch/arm/mach-w90x900/cpu.c: replace obsolete strict_strto

Replace obsolete strict_strto with kstrto calls
Signed-off-by: Daniel Walter <dwalter@google.com>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/arm/mach-w90x900/cpu.c

@@ -178,7 +178,8 @@ static int __init nuc900_set_cpufreq(char *str)
 	if (!*str)
 		return 0;
 
-	strict_strtoul(str, 0, &cpufreq);
+	if (kstrtoul(str, 0, &cpufreq))
+		return 0;
 
 	nuc900_clock_source(NULL, "ext");