Kconfig: Fix SPL_LOAD_FIT description

Both the SPL_LOAD_FIT and SPL_LOAD_FIT_FULL have the same description.
Adjust the description to make it clear which one is which.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Tom Rini <trini@konsulko.com>
1 file changed