Defaulting to softfp probably isn't the best choice anymore,
especially as there are now ARM BSP layers which leave DEFAULTTUNE
entirely up to the distro:
https://lists.yoctoproject.org/pipermail/yocto/2017-February/034637.html
Also add 't' to the ARMv7 default DEFAULTTUNEs, since there's no
clear reason to default to ignoring ARM_INSTRUCTION_SET for ARMv7.
(From OE-Core rev: 2b3ae58f5eaecc8474761c543ff5347aa0e3c4c8)
Signed-off-by: Andre McCurdy <armccurdy@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>