usb/penwell_otg: update DCD interval and timeout in charger detection flow

usb/penwell_otg: update DCD interval and timeout in charger detection flow

BZ: 33161

Update DCD timeout and interval to meet Battery Charging 1.2 Spec
requirement.

Change-Id: I1386cf835eb72f7267f9019e55771478776fb907
Signed-off-by: Wu, Hao <hao.wu@intel.com>
Reviewed-on: http://android.intel.com:8080/45939
Reviewed-by: Tang, Richard <richard.tang@intel.com>
Reviewed-by: Meng, Zhe <zhe.meng@intel.com>
Tested-by: Meng, Zhe <zhe.meng@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>