Revert "Revert "arm64: rockchip_defconfig: enable CONFIG_IKCONFIG""

This reverts commit 95bc3a8.

8588d88 ("ANDROID: android-base.cfg: add CONFIG_IKCONFIG option")

This adds CONFIG_IKCONFIG and CONFIG_IKCONFIG_PROC options, which are a
requirement for the O release.

Change-Id: Id02fde91ed902f266ff5c81ec04e2427a2877847
Signed-off-by: Tao Huang <huangtao@rock-chips.com>

Author: rkhuangtao

arch/arm64/configs/rockchip_defconfig

@@ -7,6 +7,8 @@ CONFIG_TASKSTATS=y
 CONFIG_TASK_DELAY_ACCT=y
 CONFIG_TASK_XACCT=y
 CONFIG_TASK_IO_ACCOUNTING=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=19
 CONFIG_CGROUPS=y
 CONFIG_CGROUP_FREEZER=y