hciattach: fix the delay timer for bcm43xx firmware download
From the log in .bcm43xx_load_firmware():
/* Wait 50ms to let the firmware placed in download mode */
nanosleep(&tm_mode, NULL);
But timespec tm_mode is real is 50us. Correct the delayed timer count.
[lhs: Cherry-Picked from
git://git.kernel.org/pub/scm/bluetooth/bluez.git
commit
76255f732d68aef2b90d36d9c7be51a9e1739ce7]
Change-Id: I52dfa83c0f7e0cdf17fa24ade36fc88716f56b05
Signed-off-by: Hackseung Lee <lhs@dignsys.com>
Signed-off-by: DoHyun Pyun <dh79.pyun@samsung.com>