fix(drivers/marvell/comphy-3700): fix PIN_PU_IVREF register name

According to Functional Specification, the register at bit 1 of PHY
Configuration 1 is called PIN_PU_IVREF, not PIN_PU_IVEREF. Fix this.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Change-Id: I912fa4a1956bf0b1b35a24925db03e3dbbe1adf3
2 files changed