b43: select BLOCKIO for BCMA

We want PIO as fallback for BCMA as well.
Signed-off-by: NRafał Miłecki <zajec5@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/Kconfig

@@ -90,6 +90,12 @@ config B43_SDIO
 
 #Data transfers to the device via PIO. We want it as a fallback even
 # if we can do DMA.
+config B43_BCMA_PIO
+	bool
+	depends on B43_BCMA
+	select BCMA_BLOCKIO
+	default y
+
 config B43_PIO
 	bool
 	depends on B43