mips-uclibc needs the mips-linux-uclibc site file
x86_64-linux-uclibc is enahnced for missing cached variables
(From OE-Core rev: 32eb83c842f2519b47450dcf1d23e5eee3007e75)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>