This patch modifies the pinctrl-samsung driver to assign numbers to pins
dynamically instead of static enumerations.

Thanks to this change the amount of code requried to support a SoC can
be greatly reduced and the code made more readable.
Signed-off-by: NTomasz Figa <t.figa@samsung.com>
Reviewed-by: NKyungmin Park <kyungmin.park@samsung.com>
Acked-by: NThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>