When qemumips64 was enabled, its machine specific SRCREV was missed.
Without it, qemumips64 builds from the wrong branch and we miss important
oprofile/ftrace fixes that are required for boot.
(From OE-Core rev: 6c94a53f7c1b674927486fdbf81613b2832bae40)
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>