ARM: mach-shmobile: fix EXTAL1 frequency on sh7372

EXTAL1 is clocked at 26.0MHz
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: NMagnus Damm <damm@opensource.se>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/arm/mach-shmobile/clock-sh7372.c

@@ -60,7 +60,7 @@ static struct clk r_clk = {
  * If needed, reset this with clk_set_rate() from the platform code.
  */
 struct clk sh7372_extal1_clk = {
-	.rate		= 26666666,
+	.rate		= 26000000,
 };
 
 /*