vendor.sh: move config checks to detect_firmware

they will later be removed, as part of unification against
other files that perform the same tasks

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

include/vendor.sh

@@ -36,9 +36,6 @@ vendor_download()
 	boarddir="${cbcfgsdir}/${board}"
 	_b="${board%%_*mb}" # shorthand (no duplication per rom size)
 
-	[ -d "$boarddir" ] || $err "Target '$board' not defined."
-
-	check_defconfig "${boarddir}" && exit 0
 	detect_firmware && exit 0
 	scan_config "${_b}" "config/vendor"
 
@@ -48,6 +45,9 @@ vendor_download()
 
 detect_firmware()
 {
+	[ -d "$boarddir" ] || $err "Target '$board' not defined."
+	check_defconfig "${boarddir}" && exit 0
+
 	set -- "${boarddir}/config/"*
 	. "${1}" 2>/dev/null
 	. "${boarddir}/target.cfg" 2>/dev/null