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/efi-x86_defconfig b/configs/efi-x86_defconfig
index 46801a9..2daab36 100644
--- a/configs/efi-x86_defconfig
+++ b/configs/efi-x86_defconfig
@@ -13,4 +13,5 @@
 CONFIG_DEBUG_EFI_CONSOLE=y
 CONFIG_DEBUG_UART_BASE=0
 CONFIG_DEBUG_UART_CLOCK=0
+CONFIG_ICH_SPI=y
 CONFIG_EFI=y