Blackfin: boards: fix num_chipselect values for on-chip SPI buses

The num_chipselect field for on-chip Blackfin SPI buses is supposed to
be 1 larger than the number of actual CSs available.  This is because
the hardware starts counting at 1 and not 0.  There is a field for "CS0",
but it is marked as "reserved" everywhere.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/mach-bf538/boards/ezkit.c b/arch/blackfin/mach-bf538/boards/ezkit.c
index 1a1f658..c6fb0a5 100644
--- a/arch/blackfin/mach-bf538/boards/ezkit.c
+++ b/arch/blackfin/mach-bf538/boards/ezkit.c
@@ -695,7 +695,7 @@
 };
 
 static struct bfin5xx_spi_master bf538_spi_master_info1 = {
-	.num_chipselect = 8,
+	.num_chipselect = 2,
 	.enable_dma = 1,  /* master has the ability to do dma transfer */
 	.pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
 };
@@ -711,7 +711,7 @@
 };
 
 static struct bfin5xx_spi_master bf538_spi_master_info2 = {
-	.num_chipselect = 8,
+	.num_chipselect = 2,
 	.enable_dma = 1,  /* master has the ability to do dma transfer */
 	.pin_req = {P_SPI2_SCK, P_SPI2_MISO, P_SPI2_MOSI, 0},
 };