davinci: Add CONFIG_REGULATOR_DUMMY to DA8XX defconfig file.

In order to support reference DA8XX machines not providing a
voltage regulator control for the core voltage, the REGULATOR_DUMMY
option is required.

Signed-off-by: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
1 file changed