x86: Don't imply libfdt or SPI flash in TPL

We don't want to pull in libfdt if of-platdata is being used, since it
reduces the available code-size saves. Also, SPI flash is seldom needed
in TPL.

Drop these options.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

arch/Kconfig

@@ -204,14 +204,11 @@ config X86
 	imply SPL_SYSCON
 	# TPL
 	imply TPL_DM
-	imply TPL_OF_LIBFDT
 	imply TPL_DRIVERS_MISC_SUPPORT
 	imply TPL_GPIO_SUPPORT
 	imply TPL_LIBCOMMON_SUPPORT
 	imply TPL_LIBGENERIC_SUPPORT
 	imply TPL_SERIAL_SUPPORT
-	imply TPL_SPI_FLASH_SUPPORT
-	imply TPL_SPI_SUPPORT
 	imply TPL_OF_CONTROL
 	imply TPL_TIMER
 	imply TPL_REGMAP