configs: dra7xx: Enable lp873x options

DRA71-evm uses LP873x regulator. Enable lp873x PMIC config options.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
2 files changed