qemu-timer.c: Use upstream version.

This completely modifies the implementation of timers to match upstream,
the only difference is that the oddly-placed qemu_gpoll_ns() function is
disabled (it's not used yet).

Most of the changes here (but not all), were applied through the following
sed script:

	s|qemu_get_clock\s*(\s*vm_clock\s*)|qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)|g
	s|qemu_get_clock\s*(\s*rt_clock\s*)|qemu_clock_get_ms(QEMU_CLOCK_REALTIME)|g
	s|qemu_get_clock_ns\s*(\s*vm_clock\s*)|qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)|g
	s|qemu_get_clock_ns\s*(\s*rt_clock\s*)|qemu_clock_get_ns(QEMU_CLOCK_REALTIME)|g
	s|qemu_get_clock_ms\s*(\s*vm_clock\s*)|qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL)|g
	s|qemu_get_clock_ms\s*(\s*rt_clock\s*)|qemu_clock_get_ms(QEMU_CLOCK_REALTIME)|g
	s|qemu_get_clock_ms\s*(\s*host_clock\s*)|qemu_clock_get_ms(QEMU_CLOCK_HOST)|g
	s|qemu_get_clock_ms\s*(\s*SHAPER_CLOCK\s*)|qemu_clock_get_ms(SHAPER_CLOCK)|g
	s|qemu_mod_timer\s*(|timer_mod(|g
	s|qemu_del_timer\s*(|timer_del(|g
	s|qemu_free_timer\s*(|timer_free(|g
	s|qemu_new_timer_ms\s*(\s*rt_clock,|timer_new(QEMU_CLOCK_REALTIME, SCALE_MS,|g
	s|qemu_new_timer_ns\s*(\s*rt_clock,|timer_new(QEMU_CLOCK_REALTIME, SCALE_NS,|g
	s|qemu_new_timer_ms\s*(\s*vm_clock,|timer_new(QEMU_CLOCK_VIRTUAL, SCALE_MS,|g
	s|qemu_new_timer_ns\s*(\s*vm_clock,|timer_new(QEMU_CLOCK_VIRTUAL, SCALE_NS,|g
	s|qemu_new_timer_ms\s*(\s*host_clock,|timer_new(QEMU_CLOCK_HOST, SCALE_MS,|g
	s|qemu_new_timer_ns\s*(\s*host_clock,|timer_new(QEMU_CLOCK_HOST, SCALE_NS,|g
	s|qemu_new_timer_ms\s*(\s*SHAPER_CLOCK\s*,|timer_new(SHAPER_CLOCK, SCALE_MS,|g
	s|qemu_put_timer\s*(|timer_put(|g
	s|qemu_get_timer\s*(|timer_get(|g
	s|qemu_timer_pending\s*(|timer_pending(|g
	s|qemu_clock_next_deadline\s*(\s*vm_clock|qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL|g
	s|qemu_clock_next_deadline\s*(\s*rt_clock|qemu_clock_deadline_ns_all(QEMU_CLOCK_REALTIME|g
	s|qemu_clock_next_deadline\s*(\s*host_clock|qemu_clock_deadline_ns_all(QEMU_CLOCK_HOST|g

+ Disable icount-based clock warping/adjustments. It will be re-enabled in the future
  after cpu emulation has been completely refactored.

Change-Id: Ifbcf4a52654eed3a08dfe59b0546a75d4627f758
diff --git a/net/net.c b/net/net.c
index 56bea18..b8a94af 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1957,7 +1957,7 @@
         return size;
     }
 
-    ts = muldiv64(qemu_get_clock(vm_clock), 1000000, get_ticks_per_sec());
+    ts = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 1000000, get_ticks_per_sec());
     caplen = size > s->pcap_caplen ? s->pcap_caplen : size;
 
     hdr.ts.tv_sec = ts / 1000000;