spl: Adjust debugging and xPL symbols

The size of some malloc() fields has reduced on 64-bit machines, but
the spl_reloc code was not updated. Fix this to avoid a compiler
warning.

Also update for the new xPL naming.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
1 file changed