arm: mach-k3: k3-ddr.h: Include spl.h

Include spl.h to avoid definition errors in custom builds.

Fixes: commit bc07851897bd ("board: ti: Pull redundant DDR functions to a common location and Fixup DDR size when ECC is enabled")
Signed-off-by: Neha Malcom Francis <n-francis@ti.com>
1 file changed