Coding style cleanup; update CHANGELOG

Signed-off-by: Wolfgang Denk <wd@denx.de>

cpu/arm926ejs/mx27/generic.c

@@ -238,4 +238,3 @@ void imx_gpio_mode(int gpio_mode)
 				&regs->port[port].iconfb2);
 	}
 }
-

cpu/arm926ejs/mx27/timer.c

@@ -176,7 +176,7 @@ void set_timer (ulong t)
 	timestamp = time_to_tick(t);
 }
 
-/* delay x useconds AND perserve advance timstamp value */
+/* delay x useconds AND preserve advance timstamp value */
 void udelay (unsigned long usec)
 {
 	unsigned long long tmp;
@@ -188,4 +188,3 @@ void udelay (unsigned long usec)
 	while (get_ticks() < tmp)	/* loop till event */
 		 /*NOP*/;
 }
-

cpu/arm_cortexa8/cpu.c

@@ -78,4 +78,3 @@ static void cache_flush(void)
 {
 	asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (0));
 }
-

cpu/arm_cortexa8/omap3/cache.c

@@ -93,4 +93,3 @@ void l2_cache_disable(void)
 		__asm__ __volatile__("mov r12, %0":"=r"(j));
 	}
 }
-