ram: rockchip: fix typo in KConfig option label

RAM_PX30_DDR4 is for DDR4 support and not DDR3 so let's fix the typo.

Fixes: 2db36c64bd5a ("ram: rockchip: px30: add a config-based ddr selection")
Cc: Quentin Schulz <foss+uboot@0leil.net>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
1 file changed