ARC: fix typos in comments

Various spelling mistakes in comments.
Detected with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Vineet Gupta <vgupta@kernel.org>

arch/arc/kernel/disasm.c

@@ -366,7 +366,7 @@ void __kprobes disasm_instr(unsigned long addr, struct disasm_state *state,
 	case op_SP:	/* LD_S|LDB_S b,[sp,u7], ST_S|STB_S b,[sp,u7] */
 		/* note: we are ignoring possibility of:
 		 * ADD_S, SUB_S, PUSH_S, POP_S as these should not
-		 * cause unaliged exception anyway */
+		 * cause unaligned exception anyway */
 		state->write = BITS(state->words[0], 6, 6);
 		state->zz = BITS(state->words[0], 5, 5);
 		if (state->zz)

arch/arc/kernel/signal.c

@@ -319,7 +319,7 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
 	regs->ret = (unsigned long)ksig->ka.sa.sa_handler;
 
 	/*
-	 * handler returns using sigreturn stub provided already by userpsace
+	 * handler returns using sigreturn stub provided already by userspace
 	 * If not, nuke the process right away
 	 */
 	if(!(ksig->ka.sa.sa_flags & SA_RESTORER))

arch/arc/kernel/smp.c

@@ -35,7 +35,7 @@ EXPORT_SYMBOL_GPL(smp_atomic_ops_lock);
 
 struct plat_smp_ops  __weak plat_smp_ops;
 
-/* XXX: per cpu ? Only needed once in early seconday boot */
+/* XXX: per cpu ? Only needed once in early secondary boot */
 struct task_struct *secondary_idle_tsk;
 
 /* Called from start_kernel */

arch/arc/kernel/unaligned.c

@@ -237,7 +237,7 @@ int misaligned_fixup(unsigned long address, struct pt_regs *regs,
 	if (state.fault)
 		goto fault;
 
-	/* clear any remanants of delay slot */
+	/* clear any remnants of delay slot */
 	if (delay_mode(regs)) {
 		regs->ret = regs->bta & ~1U;
 		regs->status32 &= ~STATUS_DE_MASK;

arch/arc/mm/cache.c

@@ -401,7 +401,7 @@ static inline void __before_dc_op(const int op)
 {
 	if (op == OP_FLUSH_N_INV) {
 		/* Dcache provides 2 cmd: FLUSH or INV
-		 * INV inturn has sub-modes: DISCARD or FLUSH-BEFORE
+		 * INV in turn has sub-modes: DISCARD or FLUSH-BEFORE
 		 * flush-n-inv is achieved by INV cmd but with IM=1
 		 * So toggle INV sub-mode depending on op request and default
 		 */