MIPS: Spelling fix lets -> let's

As noticed by Sergei in the discussion of Andrea Gelmini's patch series.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>

arch/mips/include/asm/mach-au1x00/au1xxx_dbdma.h

@@ -100,7 +100,7 @@ typedef volatile struct au1xxx_ddma_desc {
 	u32	dscr_nxtptr;		/* Next descriptor pointer (mostly) */
 	/*
 	 * First 32 bytes are HW specific!!!
-	 * Lets have some SW data following -- make sure it's 32 bytes.
+	 * Let's have some SW data following -- make sure it's 32 bytes.
 	 */
 	u32	sw_status;
 	u32	sw_context;

arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h

@@ -22,7 +22,7 @@
 
 /*
  * during early_printk no ioremap possible at this early stage
- * lets use KSEG1 instead
+ * let's use KSEG1 instead
  */
 #define LTQ_ASC0_BASE_ADDR	0x1E100C00
 #define LTQ_EARLY_ASC		KSEG1ADDR(LTQ_ASC0_BASE_ADDR)

arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h

@@ -75,7 +75,7 @@ extern __iomem void *ltq_cgu_membase;
 
 /*
  * during early_printk no ioremap is possible
- * lets use KSEG1 instead
+ * let's use KSEG1 instead
  */
 #define LTQ_ASC1_BASE_ADDR	0x1E100C00
 #define LTQ_EARLY_ASC		KSEG1ADDR(LTQ_ASC1_BASE_ADDR)

arch/mips/kernel/branch.c

@@ -481,7 +481,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
 			/*
 			 * OK we are here either because we hit a NAL
 			 * instruction or because we are emulating an
-			 * old bltzal{,l} one. Lets figure out what the
+			 * old bltzal{,l} one. Let's figure out what the
 			 * case really is.
 			 */
 			if (!insn.i_format.rs) {
@@ -515,7 +515,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
 			/*
 			 * OK we are here either because we hit a BAL
 			 * instruction or because we are emulating an
-			 * old bgezal{,l} one. Lets figure out what the
+			 * old bgezal{,l} one. Let's figure out what the
 			 * case really is.
 			 */
 			if (!insn.i_format.rs) {

arch/mips/kernel/elf.c

@@ -88,7 +88,7 @@ int arch_elf_pt_proc(void *_ehdr, void *_phdr, struct file *elf,
 	elf32 = ehdr->e32.e_ident[EI_CLASS] == ELFCLASS32;
 	flags = elf32 ? ehdr->e32.e_flags : ehdr->e64.e_flags;
 
-	/* Lets see if this is an O32 ELF */
+	/* Let's see if this is an O32 ELF */
 	if (elf32) {
 		if (flags & EF_MIPS_FP64) {
 			/*

arch/mips/kernel/mips-r2-to-r6-emul.c

@@ -2202,7 +2202,7 @@ fpu_emul:
 	}
 
 	/*
-	 * Lets not return to userland just yet. It's costly and
+	 * Let's not return to userland just yet. It's costly and
 	 * it's likely we have more R2 instructions to emulate
 	 */
 	if (!err && (pass++ < MIPS_R2_EMUL_TOTAL_PASS)) {

arch/mips/sgi-ip27/ip27-nmi.c

@@ -23,7 +23,7 @@ typedef unsigned long machreg_t;
 static arch_spinlock_t nmi_lock = __ARCH_SPIN_LOCK_UNLOCKED;
 
 /*
- * Lets see what else we need to do here. Set up sp, gp?
+ * Let's see what else we need to do here. Set up sp, gp?
  */
 void nmi_dump(void)
 {

arch/mips/sgi-ip27/ip27-xtalk.c

@@ -67,7 +67,7 @@ static int xbow_probe(nasid_t nasid)
 		return -ENODEV;
 
 	/*
-	 * Okay, here's a xbow. Lets arbitrate and find
+	 * Okay, here's a xbow. Let's arbitrate and find
 	 * out if we should initialize it. Set enabled
 	 * hub connected at highest or lowest widget as
 	 * master.

arch/mips/sni/rm200.c

@@ -263,7 +263,7 @@ spurious_8259A_irq:
 		static int spurious_irq_mask;
 		/*
 		 * At this point we can be sure the IRQ is spurious,
-		 * lets ACK and report it. [once per IRQ]
+		 * let's ACK and report it. [once per IRQ]
 		 */
 		if (!(spurious_irq_mask & irqmask)) {
 			printk(KERN_DEBUG