workqueue: fix 3.4 merge derp

Change-Id: I0419fdb9c8477c975a6801a132bf7c98bcc14440
Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>
net: wireless: bcmdhd: reduce wakelock time of RX packet

Reduce it by half to reduce wlan_rx_wake wakelock

Change-Id: I5ff03cf2d973a079911b12ecc0bede7f45fe1df2
Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>