kernel-yocto: tiny features aka Link Time Optimization
Integrating the following patches for the 4.4/4.8 and 4.9
kernel to enable LTO for linux-yocto-tiny configurations
(i.e. poky-tiny).
b9735c0b4235 intel-quark: Remove support for serial-all
ce02da2e7833 features/usb/serial: Add new usb serial feature
f5b00d3a7e68 soc/x1000: Remove 'default policy' features
ca2dc186ff32 soc/x1000: Remove unnecessary features
90061752cbb5 soc/x1000: Remove bsp/common-pc/*
00b26ed213c4 meta/intel-common: Have intel-quark-tiny use common-drivers-32-essential
7ce24a2c497b meta/intel-common: Add intel-common-drivers-32-essential feature
ef711e0ab70e meta: Add lto-debug feature
1ca570817bf3 meta: Add lto-disable feature
45e5c2e9118e meta: Add lto (Link-Time Optimization) enablement feature
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>