pinctrl: samsung: Fix the width of PINCFG_TYPE_DRV bitfields for Exynos5433

pinctrl: samsung: Fix the width of PINCFG_TYPE_DRV bitfields for Exynos5433

This patch fixes the wrong width of PINCFG_TYPE_DRV bitfields for Exynos5433
because PINCFG_TYPE_DRV of Exynos5433 has 4bit fields in the *_DRV
registers. Usually, other Exynos have 2bit field for PINCFG_TYPE_DRV.

Fixes: 3c5ecc9ed353 ("pinctrl: exynos: Add support for Exynos5433")
Cc: [email protected]
Cc: Tomasz Figa <[email protected]>
Cc: Krzysztof Kozlowski <[email protected]>
Cc: Sylwester Nawrocki <[email protected]>
Cc: Linus Walleij <[email protected]>
Cc: Kukjin Kim <[email protected]>
Cc: Javier Martinez Canillas <[email protected]>
Signed-off-by: Chanwoo Choi <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>