include: env: phytec: Add raucinit to k3_mmc environment

Initialize the environment for booting an RAUC image when
'doraucboot' is set to 1.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>

include/env/phytec/k3_mmc.env

@@ -7,12 +7,14 @@
 /* Logic for TI K3 based SoCs to boot from a MMC device. */
 
 #include <env/phytec/overlays.env>
+#include <env/phytec/rauc.env>
 
 mmcargs=setenv bootargs console=${console} earlycon=${earlycon}
-	root=/dev/mmcblk${mmcdev}p${mmcroot} rootwait rw
+	root=/dev/mmcblk${mmcdev}p${mmcroot} ${raucargs} rootwait rw
 mmcloadimage=load mmc ${mmcdev}:${mmcpart} ${kernel_addr_r} Image
 mmcloadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr_r} ${fdtfile}
-mmcboot=run mmcargs;
+mmcboot=if test ${doraucboot} = 1; then run raucinit; fi;
+	run mmcargs;
 	mmc dev ${mmcdev};
 	mmc rescan;
 	run mmcloadimage;