[U-Boot] spl: fit: move fdt_record_loadable out of ARCH_FIXUP_FDT_MEMORY guard

[Philipp Tomsich]

> The fdt_record_loadable()-function was wedged between other functions
> that were guarded by ARCH_FIXUP_FDT_MEMORY.  This could lead to linker
> errors on some configurations.
> 
> With this change, fdt_record_loadable() is moved out of the
> ARCH_FIXUP_FDT_MEMORY guard (plus I tried to retain alphabetical
> ordering for functions by placing it appropriately).
> 
> References: 9f45aeb ("spl: fit: implement fdt_record_loadable")
> Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> Reported-by: Michal Simek <michal.simek at xilinx.com>
> Tested-by: Michal Simek <michal.simek at xilinx.com>
> ---
> 
>  common/fdt_support.c | 78 ++++++++++++++++++++++++++--------------------------
>  1 file changed, 39 insertions(+), 39 deletions(-)
> 

Applied to u-boot-rockchip, thanks!