qemu-timer.c: upstream integrate

Change-Id: I6856ded73b4dcd10fe4831697c8518f958aeffbb
diff --git a/Makefile.common b/Makefile.common
index c80b939..74efd43 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -604,6 +604,7 @@
 
 define gen-hx-header-ev
 intermediates := $$(call intermediates-dir-for,$$(EMULATOR_MODULE_TYPE),$$(LOCAL_MODULE),true)
+
 QEMU_HEADER_H := $$(intermediates)/$$2
 $$(QEMU_HEADER_H): PRIVATE_PATH := $$(LOCAL_PATH)
 $$(QEMU_HEADER_H): PRIVATE_CUSTOM_TOOL = $$(PRIVATE_PATH)/hxtool -h < $$< > $$@