Raspberry pi board model B revison 2 have the hot plug detector gpio
active high (and not low as it was in the dts).
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Fixes: 49ac67e0c39c ("ARM: bcm2835: Add VC4 to the device tree.") Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Eric Anholt <eric@anholt.net>