ARM: S3C2416: Add comment describing the armdiv/armclk

#include <mach/regs-clock.h>

#include <mach/regs-s3c2443-clock.h>

/* armdiv

 *

 * this clock is sourced from msysclk and can have a number of

 * divider values applied to it to then be fed into armclk.

 * The real clock definition is done in s3c2443-clock.c,

 * only the armdiv divisor table must be defined here.

*/

static unsigned int armdiv[8] = {

	[0] = 1,

	[1] = 2,