[stericsson:earlydebug 1/1] main.c:undefined reference to `printascii'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson.git earlydebug
head:   e11ded06b26f2ad5c443a8838ef32d5c4d594008
commit: e11ded06b26f2ad5c443a8838ef32d5c4d594008 [1/1] Uglygack for earlydebug printascii
config: arm-axm55xx_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout e11ded06b26f2ad5c443a8838ef32d5c4d594008
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=arm 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <redacted>

All errors (new ones prefixed by >>):

   init/main.o: In function `start_kernel':

quoted

main.c:(.init.text+0x84c): undefined reference to `printascii'

   kernel/printk/printk.o: In function `vprintk_store':

quoted

printk.c:(.text+0x2a34): undefined reference to `printascii'

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