resin-init-flasher: replace fatal with fail

The fatal() function is only defined while running in the initramfs
while fail() is provided by the OS helper logging which is available
in both the OS and flasher image.

Change-type: patch
Signed-off-by: Alex Gonzalez <alexg@balena.io>

meta-balena-common/recipes-support/resin-init/resin-init-flasher/resin-init-flasher

@@ -219,7 +219,7 @@ fi
 
 if [ "$LUKS" = "1" ]; then
     if type diskenc_setup >/dev/null 2>&1 && ! diskenc_setup; then
-        fatal "Failed to setup disk encryption"
+        fail "Failed to setup disk encryption"
     fi
 
     # Attach the image to a loop device
@@ -385,7 +385,7 @@ fi
 
 if [ "$LUKS" = "1" ]; then
     if type bootpart_split >/dev/null 2>&1 && ! bootpart_split; then
-        fatal "Failed to split boot partition."
+        fail "Failed to split boot partition."
     fi
 fi
 
@@ -443,7 +443,7 @@ if [ -f "${EXTERNAL_DEVICE_BOOT_PART_MOUNTPOINT}/${BALENA_BOOTLOADER_CONFIG}" ];
 fi
 
 if type secureboot_bootloader_setup >/dev/null 2>&1 && ! secureboot_bootloader_setup; then
-    fatal "Failed to run secureboot post installation steps."
+    fail "Failed to run secureboot post installation steps."
 fi
 
 # Copy json configuration file from external (flasher) to the internal
@@ -469,7 +469,7 @@ umount $INTERNAL_DEVICE_BOOT_PART_MOUNTPOINT
 sync
 
 if type secureboot_bootloader_postsetup >/dev/null 2>&1 && ! secureboot_bootloader_postsetup; then
-    fatal "Failed to run secureboot post installation steps."
+    fail "Failed to run secureboot post installation steps."
 fi
 
 if [ "$LUKS" = "1" ]; then