ARM: imx: Enable mx6 solo-lite support

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/configs/imx_v6_v7_defconfig

@@ -37,6 +37,7 @@ CONFIG_MACH_IMX51_DT=y
 CONFIG_MACH_EUKREA_CPUIMX51SD=y
 CONFIG_SOC_IMX53=y
 CONFIG_SOC_IMX6Q=y
+CONFIG_SOC_IMX6SL=y
 CONFIG_MXC_PWM=y
 CONFIG_SMP=y
 CONFIG_VMSPLIT_2G=y