CHROMIUM: arm64: dts: rockchip: remove the bump 50mv for bob little cpu

As the previous *HACK* patch for stable on bob, we have update the
new opp table for rk3399 op1 for now.

BUG=b:37266390
TEST=stressapptest+dvfs+S2R tests
CQ-DEPEND=CL:479471

Change-Id: Ia521f6b6be1998c926f72e63ba0938e89d331f9e
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/485080
Reviewed-by: Douglas Anderson <dianders@chromium.org>
(cherry picked from commit d3df069febc3f40ef7f325ea1b88447b250e61e1)
Reviewed-on: https://chromium-review.googlesource.com/487444
Tested-by: Douglas Anderson <dianders@chromium.org>
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-gru-bob-r2.dts b/arch/arm64/boot/dts/rockchip/rk3399-gru-bob-r2.dts
index d6bf426..e6d0f25 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-gru-bob-r2.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-gru-bob-r2.dts
@@ -59,8 +59,7 @@
  * HACK for -rev2 to bump up voltage
  *
  * There's some extra voltage drop on early revs of bob due to board layout
- * problems.  On -rev2 we're almost there, so only 50 mV for little cpu
- * and center-logic.
+ * problems.  On -rev2 we're almost there, so only 50 mV for center-logic.
  *
  * NOTE: The 'regulator-microvolt-offset' is not a terribly well-tested and
  * has some quirks (like I think it doesn't necessarily validate constraints
@@ -70,7 +69,3 @@
 &ppvar_centerlogic {
 	regulator-microvolt-offset = <50000>;
 };
-
-&ppvar_litcpu {
-	regulator-microvolt-offset = <50000>;
-};