Building Linux kernel version 5.4.x with GCC8 ends up
with internal compiler error. The workaround on this issue
can be introdution of additional compiler option "--mmpy-option=2"
Signed-off-by: Evgeniy Didin <Evgeniy.Didin@synopsys.com>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Petr Štetiar <ynezz@true.cz>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: John Crispin <john@phrozen.org>
