include: env: phytec: k3_mmc: Rename variables

Add a mmc prefix to 'loadimage' and 'loadfdt' because we need
similar variables for other boot sources. This will prevent
name clashes and allows to implement similar boot logic.

Also switch from loadaddr to kernel_addr_r.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
1 file changed