Blackfin arch: Dont use cs_change_per_word, since the AD7877 driver doesnt require it anymore; fix bus numbers, fix typos

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index 2d30906..bbd2a04 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -378,7 +378,7 @@
 
 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
-	.cs_change_per_word = 1,
+	.cs_change_per_word = 0,
 	.enable_dma = 0,
 	.bits_per_word = 16,
 };