brcm63xx: refresh patches

target/linux/brcm63xx/patches-3.14/501-board-NB4.patch

...nux/brcm63xx/patches-3.14/504-board_dsl_274xb_rev_c.patch

target/linux/brcm63xx/patches-3.14/505-board_spw500v.patch

...linux/brcm63xx/patches-3.14/506-board_gw6200_gw6000.patch

target/linux/brcm63xx/patches-3.14/508-board_hw553.patch

target/linux/brcm63xx/patches-3.14/510-board_spw303v.patch

target/linux/brcm63xx/patches-3.14/511-board_V2500V.patch

...et/linux/brcm63xx/patches-3.14/516-board_96348A-122.patch

...es-3.14/520-bcm63xx-add-support-for-96368MVWG-board.patch

...s-3.14/521-bcm63xx-add-support-for-96368MVNgr-board.patch

target/linux/brcm63xx/patches-3.14/526-board_CT6373-1.patch

...ux/brcm63xx/patches-3.14/527-board_dva-g3810bn-tl-1.patch

target/linux/brcm63xx/patches-3.14/528-board_nb6.patch

target/linux/brcm63xx/patches-3.14/534-board_hw556.patch

target/linux/brcm63xx/patches-3.14/561-board_WAP-5813n.patch

target/linux/brcm63xx/patches-3.14/562-board_VR-3025u.patch

target/linux/brcm63xx/patches-3.14/563-board_VR-3025un.patch

...linux/brcm63xx/patches-3.14/564-board_P870HW-51a_v2.patch

target/linux/brcm63xx/patches-3.14/565-board_hw520.patch