ARM: imx: add cpufreq support for i.mx6sx
ARM: imx: add cpufreq support for i.mx6sx

Add cpufreq support for i.MX6SX, using common
i.MX6Q cpufreq driver.

Signed-off-by: Anson Huang <1faef5ed8cd3077570919dfede5bec7819b07512@freescale.com>
Signed-off-by: Shawn Guo <912cf7eb7d8018e2943586ae6657d21fd4e38239@freescale.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs