spi: Move SPI drivers to defconfig
There are already Kconfig options for SPI drivers, but we
have not moved them from config.h to defconfig files. This
commit does this in a batch.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/configs/B4420QDS_SPIFLASH_defconfig b/configs/B4420QDS_SPIFLASH_defconfig
index c284b3f..d9f2ff3 100644
--- a/configs/B4420QDS_SPIFLASH_defconfig
+++ b/configs/B4420QDS_SPIFLASH_defconfig
@@ -6,3 +6,4 @@
CONFIG_NETDEVICES=y
CONFIG_E1000=y
CONFIG_SYS_NS16550=y
+CONFIG_FSL_ESPI=y