arm64: defconfig: Enable TMPFS Posix ACL

The lack of TMPFS Posix ACL prevents the upstream defconfig from booting
e.g. Ubuntu, so enable this.

Acked-by: Shawn Guo <shawnguo@kernel.org>
Tested-by: Steev Klimaszewski <steev@kali.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20201130163007.310384-1-bjorn.andersson@linaro.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>