Upgrade brcm63xx to 2.6.24

target/linux/brcm63xx/Makefile

target/linux/brcm63xx/config-2.6.24

target/linux/brcm63xx/files/arch/mips/bcm963xx/irq.c

target/linux/brcm63xx/files/arch/mips/bcm963xx/prom.c

target/linux/brcm63xx/files/arch/mips/bcm963xx/setup.c

target/linux/brcm63xx/files/arch/mips/bcm963xx/time.c

target/linux/brcm63xx/files/arch/mips/pci/fixup-bcm96348.c

target/linux/brcm63xx/files/drivers/serial/bcm63xx_cons.c

...linux/brcm63xx/files/include/asm-mips/mach-bcm963xx/war.h

target/linux/brcm63xx/patches/001-bcm963xx.patch

target/linux/brcm63xx/patches/002-bcm963xx_serial.patch

target/linux/brcm63xx/patches/040-bcm963xx_flashmap.patch

target/linux/brcm63xx/patches/100-atm_hacks.patch

target/linux/brcm63xx/patches/150-sst_flash.patch