mb/google/poppy/variants/atlas: Do not override icc_max

Skylake SoC code now sets the icc_max based on the CPU SKU, so we
should not hard-code it in the device tree.

BUG=b:110890675
BRANCH=None
TEST=boots on atlas

Change-Id: I7eb3499b7bea9ab2c49e1f299e2dbb688c8d1c33
Signed-off-by: Caveh Jalali <caveh@chromium.org>
Reviewed-on: https://review.coreboot.org/27791
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Gaggery Tsai <gaggery.tsai@intel.com>
1 file changed