remove superfluous calls to /lib/brcm63xx.sh

The first preinit script 03_do_brcm63xx.sh does the right job of
exporting variables for the other subsequent preinit scripts to use
them.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 35504

target/linux/brcm63xx/base-files/lib/brcm63xx.sh

@@ -9,6 +9,7 @@ status_led=""
 status_led2=""
 sys_mtd_part=""
 brcm63xx_has_reset_button=""
+ifname=""
 
 brcm63xx_detect() {
 	board_name=$(awk 'BEGIN{FS="[ \t:/]+"} /system type/ {print $4}' /proc/cpuinfo)

target/linux/brcm63xx/base-files/lib/preinit/05_init_interfaces_brcm63xx

@@ -1,10 +1,6 @@
 #!/bin/sh
 
 set_preinit_iface() {
-	ifname=eth1
-
-	. /lib/brcm63xx.sh	
-
 	ifconfig $ifname 0.0.0.0 up
 }
 

target/linux/brcm63xx/base-files/lib/preinit/05_reset_button_brcm63xx

@@ -1,7 +1,5 @@
 #!/bin/sh
 
-. /lib/brcm63xx.sh
-
 enable_reset_button() {
 	if [ "$brcm63xx_has_reset_button" = "true" ]; then
 		insmod input-core