spi: altera: Remove unneeded NULL checking for hw->bitbang.master

We already has NULL test for master after calling spi_alloc_master().

Signed-off-by: Axel Lin <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

drivers/spi/spi-altera.c

···
 
 	/* setup the state for the bitbang driver */
 	hw->bitbang.master = master;
-	if (!hw->bitbang.master)
-		return err;
 	hw->bitbang.chipselect = altera_spi_chipsel;
 	hw->bitbang.txrx_bufs = altera_spi_txrx;