uboot-imx

x86: Add file names from Kconfig in CMC/FSP/VGA nodes in u-boot.dtsi

Since we already have a bunch of Kconfig options for CMC/FSP/VGA file
names, add these from Kconfig in the corresponding dts nodes.

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