Using TARGET_CC_ARCH is inconsistent with CC, which uses HOST_CC_ARCH, and the
rest of meson.bbclass, which uses HOST_PREFIX, HOST_OS, etc.
(From OE-Core rev: 8a61e0c0c53275ebc623296f46676d920b11eb3b)
Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>