[coreboot] HEAD isn't compiling with CONFIG_ANY_TOOLCHAIN

[Sean McNeil]

Up until recently, compiling coreboot with the options

CONFIG_COMPILER_GCC=y
CONFIG_ANY_TOOLCHAIN=y

on a 64-bit linux system worked just fine. Over the last few days I now 
get the errors:

make
Warning: no suitable GCC for armv7.
Warning: no suitable GCC for aarch64.
/bin/sh: -print-libgcc-file-name: command not found
/bin/sh: -print-libgcc-file-name: command not found
/bin/sh: -print-libgcc-file-name: command not found
/bin/sh: -print-libgcc-file-name: command not found
/bin/sh: -print-libgcc-file-name: command not found
/bin/sh: -print-libgcc-file-name: command not found
#
# configuration written to .config
#
make: *** No rule to make target `build/cbfs/fallback/bootblock.bin', 
needed by `build/coreboot.pre1'.  Stop.