ARM: */timer.c: fix spelling and vertical alignment

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/arch/arm/cpu/arm926ejs/versatile/timer.c b/arch/arm/cpu/arm926ejs/versatile/timer.c
index 563db36..81d6749 100644
--- a/arch/arm/cpu/arm926ejs/versatile/timer.c
+++ b/arch/arm/cpu/arm926ejs/versatile/timer.c
@@ -108,14 +108,14 @@
 	timestamp = t;
 }
 
-/* delay x useconds AND perserve advance timstamp value */
+/* delay x useconds AND preserve advance timestamp value */
 void __udelay (unsigned long usec)
 {
 	ulong tmo, tmp;
 
 	if(usec >= 1000){		/* if "big" number, spread normalization to seconds */
 		tmo = usec / 1000;	/* start to normalize for usec to ticks per sec */
-		tmo *= CONFIG_SYS_HZ;		/* find number of "ticks" to wait to achieve target */
+		tmo *= CONFIG_SYS_HZ;	/* find number of "ticks" to wait to achieve target */
 		tmo /= 1000;		/* finish normalize. */
 	}else{				/* else small number, don't kill it prior to HZ multiply */
 		tmo = usec * CONFIG_SYS_HZ;