graphics_Idle: Update the i915 min_clock param name

Further to the change in kernel:
http://lists.freedesktop.org/archives/intel-gfx/2014-March/042680.html
where in i915_cur_delayinfo sysfs entry is renamed to i915_frequency_info,
the same needs to be updated in the autotest.

This patch updates the param name accordingly.

BUG=chrome-os-partner:48860
TEST="test_that - b kunimitsu <DUT_ipaddres> graphics_Idle" Passes

Change-Id: I318f13ff580ccd8dac18411454f8071e19d6b886
Signed-off-by: Shirish S <shirish.s@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/319798
Trybot-Ready: Ilja Friedel <ihf@chromium.org>
Tested-by: Ilja Friedel <ihf@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
1 file changed