ARM: imx_v6_v7_defconfig: add imx7ulp support

Select CONFIG_SOC_IMX7ULP by default.
Patch generated via make ARCH=arm savedefconfig

Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Reviewed-by: NFabio Estevam <festevam@gmail.com>
Signed-off-by: NDong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

arch/arm/configs/imx_v6_v7_defconfig

@@ -38,6 +38,7 @@ CONFIG_SOC_IMX6SLL=y
 CONFIG_SOC_IMX6SX=y
 CONFIG_SOC_IMX6UL=y
 CONFIG_SOC_IMX7D=y
+CONFIG_SOC_IMX7ULP=y
 CONFIG_SOC_VF610=y
 CONFIG_PCI=y
 CONFIG_PCI_MSI=y