MIPS: kernel: proc: fix trivial style errors

Fix the following checkpatch errors - no logic changes:

WARNING: Block comments use a trailing */ on a separate line
+ *   */
ERROR: space prohibited before open square bracket '['
+	char fmt [64];
ERROR: space prohibited before that ',' (ctx:WxE)
+			seq_printf(m, "%s0x%04x", i ? ", " : "" ,
ERROR: trailing whitespace
+^Iseq_printf(m, "isa\t\t\t:"); $
ERROR: trailing statements should be on next line

Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>