bcm4339: update firmware to version 6.37.32.RC23.34.6

- Remove CH 120-128 (5600-5650MHz) from Argentina(AR)/21

Bug: 11469582
Change-Id: Ieec1172f6cef126c7803ef24453241a5977d830d
hammerhead: Update BCM4339 firmware

Update BCM4339 firmware to 6.37.32.23.34.7

Add IPv6 Router Advertisement Multicast packet filter in suspend mode
	1)  If it is a directed frame, give it up to the host.
	2)  If it's a multicast frame,  then compared with the cached
	    entry based on the source IP and if it matches, discard it.
	    If it doesn't match, cache it.
	3)  10 Cache entry is maintained
	4)  During every assoc/reassoc cache is flushed

Bug: 11638281

Change-Id: I899112c79970ea360c5994c190fb10ca5f82f883
Signed-off-by: Patrick Tjin <pattjin@google.com>
bcm4339: update firmware to 6.37.32.23.34.8

1) tdls_rssi_high : -70 dbm -> -60 dbm
2) tdls_rssi_low : -80 dbm -> -70 dbm.
3) tdls_idle_time : 60 secs -> 40 secs.
4) discard the discovery response frame with BAD RSSI value.
5) reset TDLS connection if we don't get 801.11 ack for
   TDLS SETUP CONFIRMATION frame.

Bug: 11632025

Change-Id: I4495d156299079f15f3c3ae0e725499b0653d13c
Signed-off-by: Patrick Tjin <pattjin@google.com>