Move epoll to sys package

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

sys/epoll.go

@@ -0,0 +1,22 @@
+// +build linux,!arm64
+
+package sys
+
+import (
+	"syscall"
+)
+
+// EpollCreate1 directly calls syscall.EpollCreate1
+func EpollCreate1(flag int) (int, error) {
+	return syscall.EpollCreate1(flag)
+}
+
+// EpollCtl directly calls syscall.EpollCtl
+func EpollCtl(epfd int, op int, fd int, event *syscall.EpollEvent) error {
+	return syscall.EpollCtl(epfd, op, fd, event)
+}
+
+// EpollWait directly calls syscall.EpollWait
+func EpollWait(epfd int, events []syscall.EpollEvent, msec int) (int, error) {
+	return syscall.EpollWait(epfd, events, msec)
+}