blackfin: config: update def config for all boards

Config name for spi controller driver has been modified in previous commit,
so update default config accordingly.

Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
diff --git a/arch/blackfin/configs/TCM-BF537_defconfig b/arch/blackfin/configs/TCM-BF537_defconfig
index 65f6421..c1f45f1 100644
--- a/arch/blackfin/configs/TCM-BF537_defconfig
+++ b/arch/blackfin/configs/TCM-BF537_defconfig
@@ -70,7 +70,7 @@
 # CONFIG_LEGACY_PTYS is not set
 # CONFIG_HW_RANDOM is not set
 CONFIG_SPI=y
-CONFIG_SPI_BFIN=y
+CONFIG_SPI_BFIN5XX=y
 # CONFIG_HWMON is not set
 CONFIG_WATCHDOG=y
 CONFIG_BFIN_WDT=y