driver: gpio: hikey: Fix pointer conversion warnings for hikey

Fix below compilation warnings-
drivers/gpio/hi6220_gpio.c: In function ‘hi6220_gpio_probe’:
drivers/gpio/hi6220_gpio.c:82:15: warning:

driver: gpio: hikey: Fix pointer conversion warnings for hikey

Fix below compilation warnings-
drivers/gpio/hi6220_gpio.c: In function ‘hi6220_gpio_probe’:
drivers/gpio/hi6220_gpio.c:82:15: warning: cast to pointer from integer
of different size [-Wint-to-pointer-cast]
bank->base = (u8 *)plat->base;

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>

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Merge remote-tracking branch 'u-boot/master'

bitops: introduce BIT() definition

introduce BIT() definition, used in at91_udc gadget
driver.

Signed-off-by: Heiko Schocher <hs@denx.de>
[remove all other occurrences of BIT(x) definition]
Signed-

bitops: introduce BIT() definition

introduce BIT() definition, used in at91_udc gadget
driver.

Signed-off-by: Heiko Schocher <hs@denx.de>
[remove all other occurrences of BIT(x) definition]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Anatolij Gustschin <agust@denx.de>

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dm: gpio: hi6220: Add a hi6220 GPIO driver model driver.

This patch adds support for the GPIO perif found on hi6220
SoC.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>