[PARISC] spelling fixes: arch/parisc/

Spelling fixes in arch/parisc/.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index 0871738..89d6d5a 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -171,7 +171,7 @@
 
 /*
  * Write control bitmasks for Pa-8700 processor given
- * somethings have changed slightly.
+ * some things have changed slightly.
  */
 static const uint64_t perf_bitmasks_piranha[] = {
 	0x0000000000000000ul,     /* first dbl word must be zero */
@@ -576,27 +576,27 @@
 		if (!perf_rdr_read_ubuf(16, userbuf))
 			return -13;
 
-		/* Counter0 is bits 1398 thru 1429 */
+		/* Counter0 is bits 1398 to 1429 */
 		tmp64 =  (userbuf[21] << 22) & 0x00000000ffc00000;
 		tmp64 |= (userbuf[22] >> 42) & 0x00000000003fffff;
 		/* OR sticky0 (bit 1430) to counter0 bit 32 */
 		tmp64 |= (userbuf[22] >> 10) & 0x0000000080000000;
 		raddr[0] = (uint32_t)tmp64;
 
-		/* Counter1 is bits 1431 thru 1462 */
+		/* Counter1 is bits 1431 to 1462 */
 		tmp64 =  (userbuf[22] >> 9) & 0x00000000ffffffff;
 		/* OR sticky1 (bit 1463) to counter1 bit 32 */
 		tmp64 |= (userbuf[22] << 23) & 0x0000000080000000;
 		raddr[1] = (uint32_t)tmp64;
 
-		/* Counter2 is bits 1464 thru 1495 */
+		/* Counter2 is bits 1464 to 1495 */
 		tmp64 =  (userbuf[22] << 24) & 0x00000000ff000000;
 		tmp64 |= (userbuf[23] >> 40) & 0x0000000000ffffff;
 		/* OR sticky2 (bit 1496) to counter2 bit 32 */
 		tmp64 |= (userbuf[23] >> 8) & 0x0000000080000000;
 		raddr[2] = (uint32_t)tmp64;
 		
-		/* Counter3 is bits 1497 thru 1528 */
+		/* Counter3 is bits 1497 to 1528 */
 		tmp64 =  (userbuf[23] >> 7) & 0x00000000ffffffff;
 		/* OR sticky3 (bit 1529) to counter3 bit 32 */
 		tmp64 |= (userbuf[23] << 25) & 0x0000000080000000;
@@ -618,7 +618,7 @@
 		userbuf[23] = 0;
 
 		/* 
-		 * Write back the zero'ed bytes + the image given
+		 * Write back the zeroed bytes + the image given
 		 * the read was destructive.
 		 */
 		perf_rdr_write(16, userbuf);