wl12xx: increase psm_entry_retries

In congested env, sometimes 5 psm entry retries are not enough.
Increase the retries count to 8.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 3702e61..3edc1d8 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -236,7 +236,7 @@
 		.ps_poll_recovery_period     = 700,
 		.bet_enable                  = CONF_BET_MODE_ENABLE,
 		.bet_max_consecutive         = 50,
-		.psm_entry_retries           = 5,
+		.psm_entry_retries           = 8,
 		.psm_exit_retries            = 16,
 		.psm_entry_nullfunc_retries  = 3,
 		.psm_entry_hangover_period   = 1,