b43: LP-PHY: Remove BROKEN from B43_PHY_LP

Larry has reported success getting scan data with an LP-PHY device,
so it's probably time to release LP-PHY support for testing.

Also disable 802.11a support for now, as 802.11a currently causes
the driver to panic on startup (NULL pointer dereference).
Signed-off-by: NGábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/Kconfig

@@ -80,16 +80,16 @@ config B43_NPHY
 	  SAY N.
 
 config B43_PHY_LP
-	bool "IEEE 802.11g LP-PHY support (BROKEN)"
-	depends on B43 && EXPERIMENTAL && BROKEN
+	bool "Support for low-power (LP-PHY) devices (EXPERIMENTAL)"
+	depends on B43 && EXPERIMENTAL
 	---help---
 	  Support for the LP-PHY.
-	  The LP-PHY is an IEEE 802.11g based PHY built into some notebooks
-	  and embedded devices.
-
-	  THIS IS BROKEN AND DOES NOT WORK YET.
+	  The LP-PHY is a low-power PHY built into some notebooks
+	  and embedded devices. It supports 802.11a/g
+	  (802.11a support is optional, and currently disabled).
 
-	  SAY N.
+	  This is heavily experimental, and probably will not work for you.
+	  Say N unless you want to help debug the driver.
 
 # This config option automatically enables b43 LEDS support,
 # if it's possible.

drivers/net/wireless/b43/main.c

@@ -4514,7 +4514,9 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
 			have_5ghz_phy = 1;
 			break;
 		case B43_PHYTYPE_LP: //FIXME not always!
+#if 0 //FIXME enabling 5GHz causes a NULL pointer dereference
 			have_5ghz_phy = 1;
+#endif
 		case B43_PHYTYPE_G:
 		case B43_PHYTYPE_N:
 			have_2ghz_phy = 1;