Revert "omap2 clock: fix incorrect rate calculation for osc_ck, sys_ck"

This reverts commit 18fc252e.

As noted by Richard Woodruff, with this the system gets the
wrong osc speed and ends up setting the system speed wrongly.
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/clock.c

@@ -1149,8 +1149,8 @@ static void __init omap2_get_crystal_rate(struct clk *osc, struct clk *sys)
 	div &= OMAP_SYSCLKDIV_MASK;
 	div >>= sys->rate_offset;
 
-	osc->rate = sclk;
-	sys->rate = osc->rate / div;
+	osc->rate = sclk * div;
+	sys->rate = sclk;
 }
 
 /*