i.MX6: engicam: Add imx6q/imx6ul boards for existing boards

Add new board names for existing board support
imx6q - icore and icore_rqs boards
imx6ul - geam6ul and isiot boards

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/configs/imx6ul_isiot_nand_defconfig b/configs/imx6ul_isiot_nand_defconfig
index dde1cc2..aaaf9e6 100644
--- a/configs/imx6ul_isiot_nand_defconfig
+++ b/configs/imx6ul_isiot_nand_defconfig
@@ -3,7 +3,7 @@
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
-CONFIG_TARGET_MX6UL_ISIOT=y
+CONFIG_TARGET_MX6UL_ENGICAM=y
 CONFIG_SPL_SERIAL_SUPPORT=y
 CONFIG_SPL_WATCHDOG_SUPPORT=y
 # CONFIG_CMD_BMODE is not set