FROMGIT: pinctrl: Export some needed symbols at module load time

Export the pin_get_name()/pinconf_generic_parse_dt_config() symbols needed
by the Spreadtrum pinctrl driver when building it as a module.

Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/f4e7e20afacb23e6fa7a6b33ea4319b2b3492840.1582776447.git.baolin.wang7@gmail.com


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
(cherry picked from commit b88d145191ad02b865c601ff87c2c685ca11a20a
https://git.linaro.org/people/linus.walleij/linux-pinctrl.git

)
Bug: 150258181
Signed-off-by: Orson Zhai <orson.zhai@unisoc.com>
Change-Id: I4c94de3747571d64b2f91b873ddb0a377bdf7371