boards: ls2088aqds: Add support of I2C driver model.

Update ls2088aqds board init code to support DM_I2C.

Signed-off-by: Chuanhua Han <chuanhua.han@nxp.com>
Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
diff --git a/include/configs/ls2080aqds.h b/include/configs/ls2080aqds.h
index 81af1d9..e2a8975 100644
--- a/include/configs/ls2080aqds.h
+++ b/include/configs/ls2080aqds.h
@@ -16,7 +16,9 @@
 
 #ifdef CONFIG_FSL_QSPI
 #define CONFIG_QIXIS_I2C_ACCESS
+#ifndef CONFIG_DM_I2C
 #define CONFIG_SYS_I2C_EARLY_INIT
+#endif
 #define CONFIG_SYS_I2C_IFDR_DIV		0x7e
 #endif
 
@@ -324,6 +326,7 @@
  */
 #define RTC
 #define CONFIG_RTC_DS3231               1
+#define CONFIG_RTC_ENABLE_32KHZ_OUTPUT
 #define CONFIG_SYS_I2C_RTC_ADDR         0x68
 #define CONFIG_RTC_ENABLE_32KHZ_OUTPUT