use a define for the poll and debounce interval

target/linux/brcm63xx/patches-3.3/300-reset_buttons.patch

target/linux/brcm63xx/patches-3.3/301-led_count.patch

.../brcm63xx/patches-3.3/302-extended-platform-devices.patch

target/linux/brcm63xx/patches-3.3/303-spi-board-info.patch

target/linux/brcm63xx/patches-3.3/304-boardid_fixup.patch

...x/patches-3.3/401-MIPS-BCM63XX-register-ohci-device.patch

...x/patches-3.3/403-MIPS-BCM63XX-register-ehci-device.patch

...et/linux/brcm63xx/patches-3.3/404-bcm963xx_flashmap.patch

...rcm63xx/patches-3.3/408-6358-enet1-external-mii-clk.patch

...cm63xx_enet-add-support-for-bcm6368-internal-ethern.patch

target/linux/brcm63xx/patches-3.3/500-board-D4PW.patch

target/linux/brcm63xx/patches-3.3/501-board-NB4.patch

...et/linux/brcm63xx/patches-3.3/502-board-96338W2_E7T.patch

target/linux/brcm63xx/patches-3.3/503-board-CPVA642.patch

...inux/brcm63xx/patches-3.3/504-board_dsl_274xb_rev_c.patch

target/linux/brcm63xx/patches-3.3/505-board_spw500v.patch

.../linux/brcm63xx/patches-3.3/506-board_gw6200_gw6000.patch

target/linux/brcm63xx/patches-3.3/507-board-MAGIC.patch

target/linux/brcm63xx/patches-3.3/508-board_hw553.patch

...et/linux/brcm63xx/patches-3.3/509-board_rta1320_16m.patch