nios2: cpuinfo: remove use of seq_printf return value

The seq_printf return value, because it's frequently misused,
will eventually be converted to void.

See: commit 1f33c41c ("seq_file: Rename seq_overflow() to
     seq_has_overflowed() and make public")
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Ley Foon Tan <lftan@altera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/nios2/kernel/cpuinfo.c

@@ -126,10 +126,9 @@ void __init setup_cpuinfo(void)
  */
 static int show_cpuinfo(struct seq_file *m, void *v)
 {
-	int count = 0;
 	const u32 clockfreq = cpuinfo.cpu_clock_freq;
 
-	count = seq_printf(m,
+	seq_printf(m,
 		   "CPU:\t\tNios II/%s\n"
 		   "MMU:\t\t%s\n"
 		   "FPU:\t\tnone\n"
@@ -143,7 +142,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		   ((loops_per_jiffy * HZ) / 5000) % 100,
 		   (loops_per_jiffy * HZ));
 
-	count += seq_printf(m,
+	seq_printf(m,
 		   "HW:\n"
 		   " MUL:\t\t%s\n"
 		   " MULX:\t\t%s\n"
@@ -152,17 +151,17 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		   cpuinfo.has_mulx ? "yes" : "no",
 		   cpuinfo.has_div ? "yes" : "no");
 
-	count += seq_printf(m,
+	seq_printf(m,
 		   "Icache:\t\t%ukB, line length: %u\n",
 		   cpuinfo.icache_size >> 10,
 		   cpuinfo.icache_line_size);
 
-	count += seq_printf(m,
+	seq_printf(m,
 		   "Dcache:\t\t%ukB, line length: %u\n",
 		   cpuinfo.dcache_size >> 10,
 		   cpuinfo.dcache_line_size);
 
-	count += seq_printf(m,
+	seq_printf(m,
 		   "TLB:\t\t%u ways, %u entries, %u PID bits\n",
 		   cpuinfo.tlb_num_ways,
 		   cpuinfo.tlb_num_entries,