ti_armv7_common: env: Change FIT image name to match build name

The most common name for a FIT image containing a bootable kernel is
"fitImage", as our builds now use this name also, change this to the
default in our U-Boot environment.

Signed-off-by: Andrew F. Davis <afd@ti.com>
diff --git a/include/configs/ti_armv7_common.h b/include/configs/ti_armv7_common.h
index 8f5b6c1..1561d54 100644
--- a/include/configs/ti_armv7_common.h
+++ b/include/configs/ti_armv7_common.h
@@ -54,7 +54,7 @@
 #define DEFAULT_FIT_TI_ARGS \
 	"boot_fit=0\0" \
 	"fit_loadaddr=0x88000000\0" \
-	"fit_bootfile=fitImage.itb\0" \
+	"fit_bootfile=fitImage\0" \
 	"update_to_fit=setenv loadaddr ${fit_loadaddr}; setenv bootfile ${fit_bootfile}\0" \
 	"loadfit=run args_mmc; bootm ${loadaddr}#${fdtfile};\0" \