common: board: Dont relocate FDT incase of CONFIG_OF_EMBED

common: board: Dont relocate FDT incase of CONFIG_OF_EMBED

Don't relocate fdt in case of CONFIG_OF EMBED as the fdt is
already embedded with u-boot image.
Update fdt_blob after relocation as the fdt will be copied
during u-boot relocation.

Signed-off-by: Siva Durga Prasad Paladugu <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
Reviewed-by: Alexey Brodkin <[email protected]>
Reviewed-by: Bin Meng <[email protected]>
Tested-by: Bin Meng <[email protected]> (QEMU x86)
Tested-by: Thomas Chou <[email protected]> (Nios2)
Acked-by: Thomas Chou <[email protected]>
Acked-by: Simon Glass <[email protected]>