[chenxing:msc313_mainlining 85/86] Error: arch/arm/boot/dts/mstar-infinity2m-ssd201-wirelesstag-ido-som2d01.dtsi:18.1-9 Label or path pm_uart not found

[kernel test robot <lkp@intel.com>]

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tree:   git://github.com/linux-chenxing/linux.git msc313_mainlining
head:   2269f75a5b53b9a05d21d432ad75f5e41b344814
commit: 7bf46c9e0566d3046584d7fed53d1587c316fde5 [85/86] ARM: dts: mstar: Add top level dts for ssd201-som2d01
config: arm-buildonly-randconfig-r001-20220105 (https://download.01.org/0day-ci/archive/20220106/202201060459.ALRhCSGK-lkp(a)intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/linux-chenxing/linux/commit/7bf46c9e0566d3046584d7fed53d1587c316fde5
        git remote add chenxing git://github.com/linux-chenxing/linux.git
        git fetch --no-tags chenxing msc313_mainlining
        git checkout 7bf46c9e0566d3046584d7fed53d1587c316fde5
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> Error: arch/arm/boot/dts/mstar-infinity2m-ssd201-wirelesstag-ido-som2d01.dtsi:18.1-9 Label or path pm_uart not found
>> FATAL ERROR: Syntax error parsing input tree

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org