board/km: move km i2c deblock declarations to a km/common.h

Cleanup, move the declarations to keymile/common.h instead declaring them
per-board config.h

Signed-off-by: Aleksandar Gerasimovski <aleksandar.gerasimovski@hitachi-powergrids.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
3 files changed