pinctrl: samsung: Uninline samsung_pinctrl_get_soc_data

Although the function is used only a single time, it is not performance
critical and it is pretty heavy, so let the compiler decide whether to
inline it instead.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>