From: Sam Shih <sam.shih@xxxxxxxxxxxx>
Commit fb34a9ae383a ("pinctrl: mediatek: support rsel feature")
add SoC specify 'pull_type' attribute for bias configuration.
This patch add pull_type attribute to pinctrl-mt7986.c, and make
bias_set_combo and bias_get_combo available to mediatek MT7986 SoC.
Signed-off-by: Sam Shih <sam.shih@xxxxxxxxxxxx>
Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>