defconfig: dra7xx_hs_evm: enable i2c driver model

Enable i2c driver model for dra7xx_hs_evm as omap i2c
supports driver model.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/dra7xx_hs_evm_defconfig b/configs/dra7xx_hs_evm_defconfig
index eb01f41..faf9cd5 100644
--- a/configs/dra7xx_hs_evm_defconfig
+++ b/configs/dra7xx_hs_evm_defconfig
@@ -60,3 +60,4 @@
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_FIT_IMAGE_POST_PROCESS=y
 CONFIG_OF_LIST="dra7-evm dra72-evm"
+CONFIG_DM_I2C=y