remove 2.6.33 support

target/linux/brcm63xx/config-2.6.33

.../linux/brcm63xx/patches-2.6.33/007-usb-ohci-support.patch

.../linux/brcm63xx/patches-2.6.33/008-usb-ehci-support.patch

...3xx/patches-2.6.33/009-fix-double-gpio-registration.patch

...63xx/patches-2.6.33/010-add_bcm63xx_ohci_controller.patch

...63xx/patches-2.6.33/011-add_bcm63xx_ehci_controller.patch

...tches-2.6.33/012-mips_add_readl_writel_be_accessors.patch

target/linux/brcm63xx/patches-2.6.33/020-watchdog.patch

...linux/brcm63xx/patches-2.6.33/040-bcm963xx_flashmap.patch

...patches-2.6.33/070_bcm63xx_enet_vlan_incoming_fixed.patch

target/linux/brcm63xx/patches-2.6.33/100-reset_buttons.patch

target/linux/brcm63xx/patches-2.6.33/110-gpiodev.patch

...linux/brcm63xx/patches-2.6.33/120-board_rta1025w_16.patch

target/linux/brcm63xx/patches-2.6.33/130-board_DWVS0.patch

...nux/brcm63xx/patches-2.6.33/140-new_bcm96348gw_leds.patch

.../linux/brcm63xx/patches-2.6.33/150-alice_gate2_leds.patch

...et/linux/brcm63xx/patches-2.6.33/160-fix_gpio_count.patch

target/linux/brcm63xx/patches-2.6.33/170-board_livebox.patch

...brcm63xx/patches-2.6.33/180-udc_preliminary_support.patch

...m63xx/patches-2.6.33/190-typo_cpu_features_override.patch