configs: T2080: enable DM_I2C

This enables DM_I2C in T2080 defconfigs

Signed-off-by: Biwen Li <biwen.li@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/T2080QDS_SECURE_BOOT_defconfig b/configs/T2080QDS_SECURE_BOOT_defconfig
index cc2449a..4119bfb 100644
--- a/configs/T2080QDS_SECURE_BOOT_defconfig
+++ b/configs/T2080QDS_SECURE_BOOT_defconfig
@@ -67,3 +67,4 @@
 CONFIG_RSA=y
 CONFIG_SPL_RSA=y
 CONFIG_RSA_SOFTWARE_EXP=y
+CONFIG_DM_I2C=y