bootscript:u-boot: Fix some syntax errors

recipes-bsp/bootscript/bootscript-uboot-alt/boot-alt.scr.cfg

@@ -2,13 +2,17 @@
 if fatload mmc ${current_partition} ${loadaddr} boot-alt.cfg  && env import -t ${loadaddr} ${filesize}; then
 
     if test -n ${cmdline};then
-        echo "Kernel cmdline: ${cmdline}"
+        echo 'Kernel cmdline: ${cmdline}'
         setenv bootargs ${cmdline}
     fi
 
     if test -n ${devicetree};then
         echo "Loading devicetree ${devicetree}..."
-        if fatload mmc ${current_partition} ${fdt_addr} ${devicetree}
+        if fatload mmc ${current_partition} ${fdt_addr} ${devicetree};then
+            true
+        else
+            echo 'Failed to load devicetree ${devicetree}'
+        fi
     fi
 
     if test -n ${overlays}; then
@@ -17,7 +21,7 @@ if fatload mmc ${current_partition} ${loadaddr} boot-alt.cfg  && env import -t $
             if fatload mmc ${current_partition} ${loadaddr} ${ov};then
                 fdt resize ${filesize} && fdt apply ${loadaddr}
             else
-                echo 'Failed to load overlay ${ov}
+                echo 'Failed to load overlay ${ov}'
             fi
         done
     fi

recipes-bsp/bootscript/bootscript-uboot/boot.scr.cfg

 
-if fatload mmc ${current_partition} ${loadaddr} boot-alt.cfg  && env import -t ${loadaddr} ${filesize}; then
+if fatload mmc ${current_partition} ${loadaddr} boot.cfg  && env import -t ${loadaddr} ${filesize}; then
 
     if test -n ${cmdline};then
-        echo "Kernel cmdline: ${cmdline}"
+        echo 'Kernel cmdline: ${cmdline}'
         setenv bootargs ${cmdline}
     fi
 
     if test -n ${devicetree};then
         echo "Loading devicetree ${devicetree}..."
-        fatload mmc ${current_partition} ${fdt_addr} ${devicetree}
+        if fatload mmc ${current_partition} ${fdt_addr} ${devicetree};then
+            true
+        else
+            echo 'Failed to load devicetree ${devicetree}'
+        fi
     fi
 
     if test -n ${overlays}; then
         for ov in ${overlays}; do
             echo Overlaying ${ov}...
-            fatload mmc ${current_partition} ${loadaddr} ${ov} && fdt resize ${filesize} && fdt apply ${loadaddr}
+            if fatload mmc ${current_partition} ${loadaddr} ${ov};then
+                fdt resize ${filesize} && fdt apply ${loadaddr}
+            else
+                echo 'Failed to load overlay ${ov}'
+            fi
         done
     fi
 
@@ -23,6 +31,8 @@ if fatload mmc ${current_partition} ${loadaddr} boot-alt.cfg  && env import -t $
         echo "Loading initramfs ${initramfs}..."
         if fatload mmc ${current_partition} ${initrd_addr} ${initramfs};then
             initrd=${initrd_addr}:${filesize}
+        else
+            echo 'Failed to load initramfs ${initramfs}'
         fi
     fi
 
@@ -38,5 +48,6 @@ if fatload mmc ${current_partition} ${loadaddr} boot-alt.cfg  && env import -t $
         echo 'Unable to load kernel ${kernel}'
     fi
 else
-    echo 'No valid boot-alt.cfg found'
+    echo 'No valid boot.cfg found'
 fi;
+