Portenta-X8 spl/u-boot: rebase changes to support Portenta-X8 hw [7] build anx7625 driver via board Makefile, when not spl

Author: MaxPayne86

meta-arduino-bsp/recipes-bsp/u-boot/u-boot-imx/portenta-x8/Makefile

@@ -15,3 +15,7 @@ obj-$(CONFIG_IMX8M_LPDDR4) += lpddr4_timing.o
 obj-$(CONFIG_IMX8M_DDR4) += ddr4_timing.o
 endif
 endif
+
+ifndef CONFIG_SPL_BUILD
+obj-y += anx7625.o
+endif