don't call blobutil directly from lbmk

it's bloat, and was only there for backwards compatibility
with the old commands, but the new commands are e.g.

./update blobs inject

instead of:

./blobutil inject

this results in a slight code size reduction in lbmk

Signed-off-by: Leah Rowe <leah@libreboot.org>

resources/scripts/update/blobs/inject

@@ -151,7 +151,7 @@ build_dependencies()
 
 	./build module cbutils default || fail "could not build cbutils"
 
-	./blobutil download ${board} || \
+	./update blobs download ${board} || \
 			fail "Could not download blobs for ${board}"
 }
 
@@ -405,13 +405,13 @@ fail()
 usage()
 {
 	cat <<- EOF
-	USAGE: ./blobutil inject -r [rom path] -b [boardname] -m [macaddress]
-	Example: ./blobutil inject -r x230_12mb.rom -b x230_12mb
+	USAGE: ./update blobs inject -r [rom path] -b [boardname] -m [macaddress]
+	Example: ./update blobs inject -r x230_12mb.rom -b x230_12mb
 
 	Adding a macadress to the gbe is optional.
 	If the [-m] parameter is left blank, the gbe will not be touched.
 
-	Type './blobutil inject listboards' to get a list of valid boards
+	Type './update blobs inject listboards' to get a list of valid boards
 	EOF
 }