Error: arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi:263.1-7 Label or path sound not found

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git v4.19-armsoc/dts64
head:   70c7ee25836e3d90f6b9b728db35ad3ff8f64c2d
commit: eedeeb7b76ccd4a5a546c924c0dcf93d560670fd [7/11] arm64: dts: rockchip: move Chromebook-specific Gru-parts to a separate file
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0

reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross
git checkout eedeeb7b76ccd4a5a546c924c0dcf93d560670fd
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=arm64

Note: the rockchip/v4.19-armsoc/dts64 HEAD 70c7ee25836e3d90f6b9b728db35ad3ff8f64c2d builds fine.
It only hurts bisectibility.

All errors (new ones prefixed by >>):

>> Error: arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi:263.1-7 Label or path sound not found
>> Error: arch/arm64/boot/dts/rockchip/rk3399-gru-chromebook.dtsi:355.1-6 Label or path wifi not found

FATAL ERROR: Syntax error parsing input tree

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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