ifunc patch is needed to address a glibc ptests failure on riscv
long double double patch is backported to let 2.31 build with gcc10
(From OE-Core rev: 5ab732a1a1c57bc9f9a5e71230eccee217110ade)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>