net: remove NET_LL_RX_POLL config menue

Remove NET_LL_RX_POLL from the config menu.
Change default to y.
Busy polling still needs to be enabled at run time.

Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/Kconfig b/net/Kconfig
index e591668..51da839 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -244,15 +244,8 @@
 	  a per-interface basis
 
 config NET_LL_RX_POLL
-	bool "Low Latency Receive Poll"
-	default n
-	---help---
-	  Support Low Latency Receive Queue Poll.
-	  (For network card drivers which support this option.)
-	  When waiting for data in read or poll call directly into the the device driver
-	  to flush packets which may be pending on the device queues into the stack.
-
-	  If unsure, say N.
+	boolean
+	default y
 
 config BQL
 	boolean