This fixes linker errors due to undefined symbols when one or more of
the TI DaVinci SoCs is not enabled in the kernel config.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20180525181150.17873-10-david@lechnology.com