ARM: S5P64X0: Change to using s3c_gpio_cfgall_range()

Change the code setting a range of GPIO pins' configuration and
pull state to use the recently introduced s3c_gpio_cfgall_range().

Mop up a few missed s3c_gpio_cfgpin_range() changes.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>