ARM: omap2plus_defconfig: Enable LP873X support

LP873X family of PMICs are used in dra71x-evm, So enable the same.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/configs/omap2plus_defconfig

@@ -268,11 +268,13 @@ CONFIG_TWL4030_WATCHDOG=m
 CONFIG_MFD_TI_AM335X_TSCADC=m
 CONFIG_MFD_PALMAS=y
 CONFIG_MFD_TPS65217=y
+CONFIG_MFD_TI_LP873X=y
 CONFIG_MFD_TPS65218=y
 CONFIG_MFD_TPS65910=y
 CONFIG_TWL6040_CORE=y
 CONFIG_REGULATOR_GPIO=y
 CONFIG_REGULATOR_LP872X=y
+CONFIG_REGULATOR_LP873X=y
 CONFIG_REGULATOR_PALMAS=y
 CONFIG_REGULATOR_PBIAS=y
 CONFIG_REGULATOR_TI_ABB=y