x86: crownbay: Enable CONFIG_SPI_FLASH_SMART_HWCAPS

Now that the spi-nor fix has been made in u-boot/master via:

  commit 87e7219f ("mtd: spi-nor: Respect flash's hwcaps in spi_nor_adjust_hwcaps()")

enable CONFIG_SPI_FLASH_SMART_HWCAPS on Intel Crown Bay again.

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