imx: imxrt1050-evk: Add support for SPI flash booting

Add support for booting the imxrt1050-evk from spi.
Add imximage config and the ability for SPL to boot from NOR.
Enable binman in Kconfig and device tree for imxrt* as it is used to
prepend fspi_header.bin to SPL and u-boot.img.

Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com>
diff --git a/arch/arm/mach-imx/imxrt/Kconfig b/arch/arm/mach-imx/imxrt/Kconfig
index c1d6b09..ccccf70 100644
--- a/arch/arm/mach-imx/imxrt/Kconfig
+++ b/arch/arm/mach-imx/imxrt/Kconfig
@@ -2,6 +2,7 @@
 
 config IMXRT
 	bool
+	select BINMAN
 	select SYS_FSL_ERRATUM_ESDHC135
 
 config IMXRT1020