The pin controllers of Exynos4415 are similar to Exynos4412, but certain
differences cause the need to create separate driver data for it. This
patch adds pin controller and bank descriptor arrays to the driver to
support the new SoC.

Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Thomas Abraham <thomas.abraham@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: NTomasz Figa <tomasz.figa@gmail.com>
[cw00.choi: Rebase it on mainline kernel]
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Acked-by: NKyungmin Park <kyungmin.park@samsung.com>
[tomasz.figa@gmail.com: Resolved merge with earlier clean-up series.]
Signed-off-by: NTomasz Figa <tomasz.figa@gmail.com>