[brcm47xx] Build against 2.6.25.4

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11347 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/brcm47xx/Makefile

@@ -11,7 +11,7 @@ BOARD:=brcm47xx
 BOARDNAME:=Broadcom BCM947xx/953xx
 FEATURES:=squashfs usb
 
-LINUX_VERSION:=2.6.23.17
+LINUX_VERSION:=2.6.25.4
 
 include $(INCLUDE_DIR)/target.mk
 DEFAULT_PACKAGES += kmod-switch kmod-diag