Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=974863
When building for i386 and running an amd64 kernel, the Makefile uses
"uname -m" to determine the architecture, but this introduces variations
depending on the kernel used to perform the build.
Gbp-Pq: Name treat-i386-as-x86.patch
ifneq (,$(findstring i686,${_machname}))
override _machname := x86
endif
+ifneq (,$(findstring i386,${_machname}))
+ override _machname := x86
+endif
HOST_ARCH ?= ${_machname}
# ARCH and/or FIRMWARE_ARCH are defined by the Chromium OS ebuild.