[toolchain] gcc: don't build documentation

This closes #13039.

Signed-off-by: Luka Perkov <luka@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35807 3c298f89-4303-0410-b956-a3cf2f4a3e73
toolchain/gcc: refresh patches

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35808 3c298f89-4303-0410-b956-a3cf2f4a3e73
gdb: do not depend on libthread-db when using musl libc

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35809 3c298f89-4303-0410-b956-a3cf2f4a3e73
toolchain: mark unavailable packages for musl libc

And make librt be an empty stub for musl libc.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35810 3c298f89-4303-0410-b956-a3cf2f4a3e73
ncurses: fix build with musl libc toolchains

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35811 3c298f89-4303-0410-b956-a3cf2f4a3e73
toolchain/binutils: refresh patches

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35812 3c298f89-4303-0410-b956-a3cf2f4a3e73
toolchain/binutils: fix 2.19.1 MD5 sum

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35813 3c298f89-4303-0410-b956-a3cf2f4a3e73
toolchain/binutils: add musl libc config.sub patch to 2.23.1

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35814 3c298f89-4303-0410-b956-a3cf2f4a3e73
toolchain/musl: add support for 0.9.9

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35815 3c298f89-4303-0410-b956-a3cf2f4a3e73
toolchain/binutils: fix partial MD5 sum from r35813

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35816 3c298f89-4303-0410-b956-a3cf2f4a3e73