uboot-phytec

OMAP3: add definition of CTRL_WKUP_CTRL register

AM/DM37x SoCs add the CTRL_WKUP_CTRL register.  It contains the
GPIO_IO_PWRDNZ bit, which is required to be set to enable the I/O pads
of gpio_126, gpio_127 and gpio_129.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Cc: Tom Rini <trini@ti.com>