input: add missing newline from trace-events

This was accidentally omitted from 77cb0f5aaf "Split adb.c into adb.c, adb-mouse.c
and adb-kbd.c".

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
diff --git a/hw/input/trace-events b/hw/input/trace-events
index a8d46cb..5affabc 100644
--- a/hw/input/trace-events
+++ b/hw/input/trace-events
@@ -4,6 +4,7 @@
 adb_kbd_no_key(void) "Ignoring NO_KEY"
 adb_kbd_writereg(int reg, uint8_t val) "reg %d val 0x%2.2x"
 adb_kbd_readreg(int reg, uint8_t val0, uint8_t val1) "reg %d obuf[0] 0x%2.2x obuf[1] 0x%2.2x"
+
 # hw/input/adb-mouse.c
 adb_mouse_writereg(int reg, uint8_t val) "reg %d val 0x%2.2x"
 adb_mouse_readreg(int reg, uint8_t val0, uint8_t val1) "reg %d obuf[0] 0x%2.2x obuf[1] 0x%2.2x"