linux-yocto-rt: Add paravirt_kvm support for qemux86-64
This feature includes paravirtualized KVM guest support, including
KVMCLOCK for enhancing clock accuracy of guest OS.
(From OE-Core rev:
2b2238e5e81748475de8a339c33529484971b0ff)
Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Hongzhi.Song <hongzhi.song@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
[Drop 4.18 changes]
Signed-off-by: Armin Kuster <akuster808@gmail.com>
