inject.sh: Further simplified FSP extraction

We don't need the copy command at all, since the files
it copies are the only ones that the Python script does
anyway, so now we just make that script output to the
directory, directly, where these files must go.

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

include/inject.sh

@@ -260,7 +260,7 @@ copy_tbfw()
 extract_fsp()
 {
 	x_ python "$cbdir/3rdparty/fsp/Tools/SplitFspBin.py" split -f "$1" \
-	    -o "$2" -n "Fsp.fd" && x_ cp "$appdir/"Fsp_*.fd "${_dest%/*}"
+	    -o "${_dest%/*}" -n "Fsp.fd"
 }
 
 fail_inject()