mako: wifi: Change WiFi INI file

- Disable 5GHz HT40, as mako does not support it in hardware
- Enable keep alive packet for Ralink chip AP

Keep alive is a dummy packet periodicaly sent to maintain the WiFi connection
with Ralink-chipset APs. Some Ralink chipset AP (ipTime ... ) automatically
disconnect WiFi station if there are no packet for some time.

Change-Id: Ie534f375fd47689b64a45d119df195d09b9618c1
Signed-off-by: Iliyan Malchev <malchev@google.com>
diff --git a/WCNSS_qcom_cfg.ini b/WCNSS_qcom_cfg.ini
index d00d201..91e08c9 100644
--- a/WCNSS_qcom_cfg.ini
+++ b/WCNSS_qcom_cfg.ini
@@ -174,7 +174,7 @@
 gAPChannelSelectOperatingBand=0
 
 #Enable Keep alive with non-zero period value
-#gStaKeepAlivePeriod = 30
+gStaKeepAlivePeriod = 25
 
 #If set will start with active scan after driver load, otherwise will start with
 #passive scan to find out the domain
@@ -186,6 +186,9 @@
 # Enable logp/SSR
 gEnableLogp=1
 
+# Disable HT40
+gChannelBondingMode5GHz=0
+
 # Enable Automatic Tx Power control
 gEnableAutomaticTxPowerControl=1