treewide: use the generic board_name function

Use the generic function instead ot the target specific ones.

Signed-off-by: Mathias Kresin <dev@kresin.me>

target/linux/brcm63xx/base-files/etc/hotplug.d/firmware/10-rt2x00-eeprom

@@ -12,8 +12,6 @@ rt2x00_eeprom_extract() {
 	local count=$3
 	local mtd
 
-	. /lib/functions.sh
-
 	mtd=$(find_mtd_part $part)
 	[ -n "$mtd" ] || \
 		rt2x00_eeprom_die "no mtd device found for partition $part"
@@ -24,9 +22,9 @@ rt2x00_eeprom_extract() {
 
 [ -e /lib/firmware/$FIRMWARE ] && exit 0
 
-. /lib/brcm63xx.sh
+. /lib/functions.sh
 
-board=$(brcm63xx_board_name)
+board=$(board_name)
 
 case "$FIRMWARE" in
 "rt2x00.eeprom" )