Refresh patches with make package/gcc/refresh by tweaking the
GCC_VERSION to refresh every supported version.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Align patches structure to openwrt toolchain GCC to make it easier to
maintain them and reduce patch delta on GCC update.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>