Remove reserved bits from R8A7794 PFC driver

Hello!

Here's a set of 2 patches against the 'devel' branch of Linus Walleij's
'linux-pinctrl.git' plus the R8A7794 PFC driver patch renaming IIC0/1 signals. The patches remove now reserved bits and pieces from the R8A7794 PFC driver.

[1/2] pinctrl: sh-pfc: r8a7794: remove AVB_AVTP_* groups [2/2] pinctrl: sh-pfc: r8a7794: remove reserved bits

MBR, Sergei