gawk is necessary for allmodconfig after 5f5e7344322f0b0676579af054c787ed57d1c1df

CONFIG_BUILTIN_MODULE_RANGES, added by https://git.kernel.org/linus/5f5e7344322f0b0676579af054c787ed57d1c1df, requires gawk, which is not in the TuxMake containers, resulting in a build error:

/bin/sh: 1: gawk: not found
make[3]: *** [/builds/linux/scripts/Makefile.vmlinux:47: modules.builtin.ranges] Error 127