i.MX6: mx6qsabrelite: add MACH_TYPE_MX6Q_SABRELITE

Allow non-dt kernels to boot
Signed-off-by: NTroy Kisky <troy.kisky@boundarydevices.com>

include/configs/mx6qsabrelite.h

@@ -28,6 +28,8 @@
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO
 
+#define CONFIG_MACH_TYPE	3769
+
 #include <asm/arch/imx-regs.h>
 
 #define CONFIG_CMDLINE_TAG